This document describes the differences between the HamSandwich versions of each game and the last official releases. It also includes the historic changelogs for the modernized versions of applicable games.
See also the list of published mods based on HamSandwich.
- Migrate graphics and audio to SDL3
- Fix graphical glitches by implementing 8-bit to 32-bit conversion in software
- Control settings are not compatible with official releases due to this change
- Variously replaces SciTech MGL, Allegro, DirectSound, and FMOD
- Add global F12 hotkey to take a
.bmpscreenshot in the native resolution of the game - Add global F11 hotkey to toggle fullscreen mode and window size
- Add global F10 hotkey to toggle scaling mode between nearest-neighbor and linear filtering
- Allow games to optionally load resources directly from the official installer rather than extracting it first
- Add a proper close curly brace
}character to the font used in the editors - Fix FLC movies exported from modern tools like Aseprite displaying slightly incorrectly
- Port to new platforms
- Linux
- macOS
- Android
- Add onscreen touch joystick and controls
- Add mapping so Android "back" button acts like pressing the Escape key
- Web
- Add backtick ` hotkey to replace Escape in fullscreen
- Clean up source code, add flexibility, or fix compiler warnings in ways that should have no noticeable effect
- Support 64-bit builds with full save and add-on compatibility
- Combine each game's control, music, movie, font, sound, and sprite handling into a common "Ham" core
- Dr. Lunatic (2011-08-15)
- Supreme With Cheese, Sleepless Hollow, Loonyland, Loonyland 2, and Kid Mystic (2019-05-20)
- Eddie Galaxy, Spooky Castle, and Stockboy (2022-05-23)
- Amazin' SPISPOPD's code was lost, but was reverse-engineered for inclusion in HamSandwich.
Supreme With Steam special features
- Show off your Gallery Goals and track your progress with Steam Achievements
- Find and play over 400 new worlds on the Steam Workshop
- Upload your own worlds to the Steam Workshop from the Editor's "Save & Export" menu
- Compete with friends and foes on score and time Leaderboards for every world in the game
- Automatically transfer your saves across devices with Steam Cloud
- Smash pumpkins anywhere with a native Steam Deck build
- Fix crash when changing too many tiles or items with the "change touching" mode.
- Fix some bugs with worlds using more than 800 tiles.
- Fix crash when opening a file dialog with no results.
v9.6 (2025-08-02) - Steam
- Fix movie unlocking, high scores, and statistics not counting for some levels due to a bug introduced in Supreme 9.5.
- JspEdit: Change font to match Supreme's editor.
v9.5 (2025-03-19) - Steam
- Allow loading
.oggfiles as custom sounds. - Add page numbers and multi-filtering (right-click on category) to Monster, Sound, and Item lists.
- Add a fallback if Steam Workshop upload fails due to file permission issues.
- Fix SWC-only items appearing by mistake in some imported Dr. L worlds.
- Fix rare bugs with Suckers, Blowers, and Sphinx Arms with different AIs set.
v9.4 (2024-08-10) - Steam
- Add third control "Wpn Lock" that toggles the Wpn Lock setting while held. For example, if Wpn Lock is on, this acts as a "pick up" button. It's also usable in Specials. The default is Tab.
- Change Special Trigger selector to keep the NOT/AND state instead of clearing it.
- Fix graphical pop-in on very large items and monsters.
- Fix sounds far to one side sometimes wrapping around and coming from the other side instead.
- Change F11 hotkey to cycle through possible sizes, instead of just tiny and huge.
v9.3 (2024-03-05) - Steam
- Add bullet selection menu (by Hyperme, #17).
- Increase per-world tile limit from 800 to 1000.
- Add editor help message explaining how to enable Custom JSP for items.
- Fix visual bugs when combining underwater/lava, handheld mode, and movies.
- (Steam) Fix Steam Workshop uploads occasionally re-including files from previous uploads.
- Fix Creeping Cone having an attack sound when it shouldn't.
- Fix water splash particles sometimes flashing the wrong color (especially obvious when raining on Splatter Mode).
- Fix a missing text file in Halloween Horror 2 - TG.
- Fix Summon Bullet prompt to indicate that equations are allowed.
- Fix Summon Bullet's facing information for Cheese Hammer (was 8, should be 255).
v9.2 (2023-10-17) - Steam
- Add new "Advanced" HUD option with a level timer and weapon lock status (by AutomaticFrenzy, #15).
- Make volume multiplicative instead of subtractive, so lower volumes doesn't cause quiet sounds to be fully muted.
- Fix issue where repeated sounds like AK-8087 fire could be cut off too soon and effectively silenced.
- Fix rare possibility of Traffic phasing through an obstacle at the very start of the level.
- Fix playable Dr. Lunatic sometimes firing one too few lightning zaps on hit.
- Fix Bestiary in SpisMall being inescapable on gamepad. The Back button now quits it.
v9.1 (2023-09-23) - Steam
- (Steam) Add new Top Time online leaderboards to complement Top Score
- Add Record below Total Score on the level tally for comparison, like the other factors
- Fix Classic HUD option applying incorrectly to the SpisMall
- Fix sounds sometimes being cut off even though there are still free channels
- Fix a Linux case-sensitivity bug
v9.0 (2023-09-18) - Steam
- Show HUD Stealth eye in yellow when the player is not concealed
- Add Classic HUD option to the pause menu
- Add full gamepad support to the menus
- Fix some levels missing music due to
006cavernboss.oggbug - Fix missing messages when playing some legacy Dr. Lunatic worlds
- Replace contents of Internet menu with some links that actually work
Editor features:
- Improve rounding behavior when entering times for "Timed" and "Delayed" special triggers
- Improve accuracy of automatic brain and candle counting in some cases
- Add "Save & Export" menu to create
.zipfiles containing your world and all required files- Shift+Q now includes all the extra detail in
req_files.txt
- Shift+Q now includes all the extra detail in
- Fix soft-lock on pressing F1 twice in the Item Editor
- Fix some art errors in the default tiles for new worlds (does not affect existing worlds)
- Add Page Up and Page Down hotkeys to scroll world select
- Speed up World Select load times, improve sorting, and fix a crash if there are zero worlds
- Fix rare crash when using Summon/Change Bullet with Scanner Shot, Scanner Lock, or Megabeam
- Fix "Monster Sprites" effect persisting if a monster ID is reused
- Allow cancelling profile creation, except on first run
- Automatically pause the game if you tab out while playing
Editor features:
- Increase per-map special limit to 250, up from 128
- Add Zoom Out option (hotkey: F2) to View menu that increases the resolution while editing
- Add "Jump to" button to Goto/Win Level effects
- Allow using the mouse wheel to scroll the File and World menus
- Allow using the mouse wheel to scroll the Special editor
- Color the Up/Down buttons differently if there are triggers or effects off-screen
- Add Oxygen Meter level flag
- Add Bullet In Rect special trigger
- Fix non-profiles showing up in the profile menu
- Expand floor tool from 4 tiles to 8
- When switching maps in the editor, place the camera on Bouapha
- Fix memory corruption if the Delete Special effect deletes a used-up special
- Fixed "Megabeam Endo" bullet to be named "Megabeam End"
- Added debugging display activatable via F3
- Added Shadowless Wall: set a wall's side tile to be Transparent Roof
- Added Change Bullet special effect
- Added note on Summon Bullet regarding bullet facing
- Fixed selecting bogus negative Special effects.
- Fixed bad random values, occasionally causing crashes.
- Removed console window that was inadvertently added in 8.0b.
- Added ability to Summon Bullet from the tagged monster's location.
- Fixed coordinate picking visually updating the wrong trigger or special when pages are used.
- Added ability to count Orbiters and Orbit Bombers via "Have Item" trigger.
- Fixed crash on attempting to recover from a failed JSP load.
- Refactored much code to allow for Linux compatability.
- Added "A" arctan operator and "S" square-root operator.
- Renamed Visual Shock to Zap Wand Shock.
- Restored automatic down-conversion of truecolor bitmaps to 8-bit bitmaps when using "Show Pic/Movie."
- Fixed music cutting off a second or two early.
- Added date and clock special variables (operates on local time):
- DM - Current month (January is 0)
- DD - Current day
- DY - Current year
- DW - Current weekday (Sunday is 0)
- CH - Current hour
- CM - Current minute
- CS - Current second
- Added Summon Bullet effect with selectable type, location, and mathable facing.
- Updated level and world scans to account for new special effets.
- Cleaned up some graphics code in an attempt to reduce places issues might arise.
v8.0a (2012-05-24) - Blog - Photo album
- Add "big" option to Show Message effect
- Allow up to 7 triggers and 31 effects on a single special, up from 5 each
- Add Wavy level flag
- Add Bubbles item flag
- Add Monster Sprites effect, to use a custom JSP for a single monster
- Add Item Sprites effect, to use a custom JSP for items
- Add Variable Bar effect, to show a customizable bar below player health
- BV - current value
- BM - max value
- Add dummy playable character and vehicle monsters to Body Parts category
- Entirely replace Internet menu with Editor and make it always available
- Update Summon Bullet effect for Sleepless Hollow's bullet set
- In the editor's Monster tool, set the default item drop to None
- Allow cancelling profile creation, except on first run
- Automatically pause the game if you tab out while playing
Editor features:
- Add "Jump to" button to Goto/Win Level effects
- Allow using the mouse wheel to scroll the File and World menus
- Allow using the mouse wheel to scroll the Special editor
- Color the Up/Down buttons differently if there are triggers or effects off-screen
- Disallow placement of monsters in the AI Only category
- Add more monster notes, and a progress indicator
- Fix resetting progress to clear all 64 levels in case of custom worlds
- Hide Editor on main menu until the game is completed once
- Allow add-on worlds to override certain hardcoded behaviors:
bonecandle- set to 0 to disable a Tomb of Bones candle (default: 1)journal- set to the item ID of the journal item (default: 150)electroreel- set to the item ID of the electroreel item (default: 186)
- Disallow saving over
hollow.shw
- Add more monster notes
- Allow add-on worlds to customize fishing
- Disallow loading a modified
hollow.shw
- Add some monster notes
- Allow add-on worlds to customize gallery goals
- Allow add-on worlds to customize the inventory section of the pause menu
- Allow access to editor
- Allow customizing add-on title and journal pages with a
.txtfile - Add add-on world chooser when starting a profile if any are present
- Port new editor features from Supreme With Cheese 8.0d
- Categorize monsters in the editor according to their presence in Sleepless Hollow
- Add Death Turrets, Missile Turrets, and Yerfdog
- Restart the main menu music when exiting the editor
- Allow using the arrow keys to scroll around in the editor
- Show special ID numbers in the editor
v3.0 (2011-10-11) - Blog - Source code blog - Download
- Fix graphical glitches by implementing 8-bit to 32-bit conversion in software
- Add Smooth Lighting option, backported from Supreme With Cheese
- Add Disco Mode option, backported from Supreme with Cheese
Steam edition special features
- 24 Steam Achievements to collect!
- Challenge mode leaderboards for score, time, and combo for each difficulty.
Nothing!
- Fix spellbooks being invisible in the HUD due to a bug introduced in Kid Mystic 4.3.
- 1999 Mode
- Fix Mama Spider's no-coin-drop status instead applying to Spitters.
- Reduce money cheat amount from its modern $50,000 to the 1999-accurate $500.
- Disable even more interface indicators when out of mana.
- Fix Options menu navigation controls being too sensitive on some configurations.
- Fix crash on Liquify going off the map.
- 1999 Mode
- Fix inaccurate XP requirement scaling.
- Fix inaccurate shop prices for Steel Hat, Mystical Staff, and Air Lancelots.
- Fix Vault spellbook trick not working.
- Swap Hyper Inferno and Seeker Swarm spellbooks back to their 1999 positions.
- Potions can now be picked up even when your health/mana is full.
- Disable interface indicators when out of mana and when a spellbook is tier 2.
- Fix Mama Spider and Mush The Shroom to not drop cash due to being considered bosses.
- Allow healing spells to be cast at full health.
- Classic Mode
- Whackazoid: Remove skill shard from Whackazoid.
- Modern Mode
- Fix max life being set wrong when buying Heart Pendant and Soul Pendant.
- Fix incorrect behavior of Lyfus Uppus rank 3, Magikus Uppus rank 3, and Zerko Killus below rank 3.
- Challenge Mode
- Fix Classic Challenge showing icons for Modern-only collectibles.
- A new final boss fight song! Turn off Classic Music to enjoy it.
- Modern Mode
- Enemy freeze time limit increased to 15 seconds (was 10 seconds).
- Ice shards from the Icus Coldus rune no longer thaw enemies.
- Skills that trigger on a frozen enemy also trigger if it was only unfrozen in the past half-second.
- Fixed Frostbite to damage every second as intended (was every two seconds).
- Armageddon now burns trees.
- Armageddon and other explosions now do a better job of triggering on-hit switches.
- Fixed timing/typos on some commentary nodes.
- Chapter 1
- Beginnerton: A visual hint has been added to the Fairy Bell puzzle.
- Chapter 3
- Off The Deep End: Added more feedback and fixed confusing resets on the skill shard puzzle.
- The Guest Chambers: Added more feedback and fixed confusing resets on the skill shard puzzle.
- Chapter 4
- Puzzling Caverns: The rune puzzle now gives a hint when you fail.
- Horkboxes: Added more feedback and fixed confusing resets on the skill shard puzzle.
- Madcap
- Fix enemies being thawed 5x faster than intended by damage.
- Challenge Mode
- Fix bugs in Modern Challenge Mode after collecting 256 stars.
- Camera direction shifts are more gentle now, perhaps helping with motion sickness? Let us know!
- On startup, Steam will properly credit you for any missing achievements.
- "Take a Break" achievement no longer fails if you use a pointy hat.
- Pteros are now capped at 25 total, but trying to summon more now heals them all to full health.
- Logs no longer accept non-human riders.
- Fixed a crash that occurred if you died while riding a log, and the log then crashed into things before you finished dying.
- Fixed possible crashes if Octon Juice goes off the map.
- Fixed CPU usage spiking in the credits screen.
- Modern Mode
- The Skill Reset button is now always shown in the menu, with a message explaining you can only use it in the overworld.
- Energy Barrage: Energetic Casting now makes the damage ramp up by 2% per 'shot', up to 300%, until you stop firing.
- Otto Siko: No longer fires off seekers when you fail to cast Armageddon, during Armageddon, with the Mana Gettin' skill.
- Fixed falling in water with exactly 10 life left breaking the game.
- Chapter 1
- Beginnerton: The villager who explains how to cast spells now has a modern explanation of it, instead of repeating his classic speech.
- Beginnerton: You can no longer shoot the shootable target from inside the house.
- Beginnerton: The shootable wall no longer looks the same as the pushable wall.
- Chapter 2
- Mush-Aid: The button that you step on, and enemies can't, now looks different from the ones for enemies.
- Spiders' Lair: the ghost spitter can no longer be killed, and cannot reach the skill shard.
- The Hidden Temple: The entry puzzle is now 1/3 solved for you, very modern!
- Haunted Woods: all spells cost 1 now when they are blocked by ghosts, so you don't have to watch which spell you are using.
- Chapter 3
- The Gatehouse: fixed a single bad tile that was impassable for no reason.
- The Guest Chambers: You can now exit The Skeletal Path multiple times.
- The Vault: Enemies can no longer trigger switches, which made it difficult to complete.
- Twisty Passages, All Alike: It is no longer possible for the spikey sign to go weird and cause a hole to appear in a wall.
- Hot To Go: Shooting Peeping Bombs no longer resets your position.
- Hot To Go: The trigger area for feeding a villager is now bigger, so you can't skip past it using Berserk.
- Hot To Go: Prevented collectibles from spawning in unreachable areas.
- Chapter 4
- Horkboxes (and possibly elsewhere): Changed how you are repositioned after triggering a speech dialog, fixing an infinite conversation.
- Classic Mode
- Mush-Aid: Added the 'soft lock protection' similar to Modern Mode.
- Surprise guest monsters have returned to Classic Mode.
- 1999 Mode
- You can no longer burn down trees, since you couldn't do that in 1999.
- The Vault: Giving Up after getting the spell no longer prevents you from re-entering.
- Challenge Mode
- Earning Challenge mode is now possible by getting 100% in any mode, not just Modern mode.
- Swamp Stew: You no longer earn the star for good cooking if you fail for technical reasons.
- Modern Mode!
- Choose how Kid Mystic's power grows in a new skill tree.
- Collect new Runestones for additional upgrades.
- Visit a new Beginnerton as well as a very special new level in each chapter.
- Customize your experience with new Weird Options.
- And other minor visual and convenience improvements.
- Brutal Mode! For when the base game becomes too familiar.
- 1999 Mode! Play the game as it was before the turn of the millennium, with all its frustrations.
- 24 Achievements, and a path to unlocking special Cheatstones.
- A remixed and remastered soundtrack! Or a classic soundtrack option for the purists.
- Improved controller support.
- Stop the intro music early if skipped
- Stop the main menu music when entering the editor
- Show special ID numbers in the editor
- Add e hotkey on the main menu to open the editor
v3.7 (2004) - Download
Steam edition special features
- Show off your Merit Badges with Steam Achievements
- Automatically transfer your saves across devices with Steam Cloud
- Save Halloween Hill wherever you are with a native Steam Deck build
- Compete in definitely-fair Leaderboards on the Steam Community
- Fix Surprise Mode making game unwinnable due to removing Steam Pumps during the Evilizer fight.
- Fix Enemy Overload claiming to apply to new games only when it actually applies immediately.
- Add Steam leaderboard support to Space Game
- Fix Survival and Boss Bash not having silver weapons (since v3.0)
- Fix Farley and summons not working on Castle Vampy II due to the monster limit
- Fix Larry's postgame dialogue
- Fix Farley vanishing if you load his area before acquiring him
- Fix issues when turning the Sidekick badge back off, including 100% becoming impossible
- Fix single-frame flicker in Thorns Aura animation
- Fix soft-lock if Molecular Dispersion is used to interrupt the Last Gate animation
- Fix Space Game being unquittable on controller
- Fix Mystery Lake sometimes appearing when placing the 3rd orb if the 4th orb is in hand and Quick Mode is on
- Fix overlap between Spcl and tag text in editor
- Add Randomizer mode (by AutomaticFrenzy)
- Add Hard difficulty between Normal and Challenge (by AutomaticFrenzy)
- Allow selecting character on the New Game screen (by Hyperme, #19)
- Increase save slots from 5 to 250 and show more information in the list
- While Weapon Lock is on, weapon pickups pass through you, and you can use a new third control to grab them
- Show invincible guys in aqua on the Radar and improve its accuracy on small maps
- For quests that get "completed" before being turned in, indicate this status in the menu
- Improve decoration on the first floor of Haunted Tower (by Jamul)
- Fix difficult-to-access Gangrene in A Hidey Hole (by Jamul)
- Fix Hardcore Mode not working correctly
- Fix Witchcraft badge to award at level 9, matching the description, instead of level 10
- Fix Vampire Slayin' badge description to say two minutes instead of one, matching award
- Improve controller support
- Add volume option
- Allow using the arrow keys to scroll around in the editor
Show special ID numbers in the editor(removed in v3.1)
Editor (2009-07-07) - Download
- Add "Editor" option to main menu
v2.0 (2004) - Download
- Fix high Stone Spike damage numbers wrapping to low again
- Fix player-aligned melee monsters (especially Bruisers) hitting themselves
- Fix high-level Restoration invincibility time and healing wrapping to low again
- Allow using the arrow keys to scroll around in the editor
- Fix overlap between Spcl and tag text in editor
- Fix typing into the new save Name field while it's not selected
- Fix high-level Training's bonus XP overflowing and becoming useless
v1.2CE (2007) - Download
- Disable the internet addon downloading feature, since the server is long-gone
- Unlock the "Add-On Level" menu automatically when the "All Stockboy add-ons" pack is enabled
v1.5 (June 2004) - Download
- Allow using the arrow keys to scroll around in the editor
Re-release (May 2004) - Download
- Add editor access by pressing e on the main menu
- The HamSandwich code was reverse-engineered from the released game with Hamumu's permission