this patcher can be used to change the experience you'll have with the game; most patches are meant to be used exclusively for Gift Mode/the Ancient Cave
like all other hacks, ROMs created by this tool are not allowed to be used for speedrun.com leaderboard submissions
you have to supply a ROM yourself - this utility does not provide ROMs, it only modifies files you upload
global seed that will be used for all seeded patches unless a specific seed is supplied; empty for automatic seeding
hover over option labels for more detailed explanations
derandomizes floor layouts, chest contents, as well as encounter sprites and amount of enemies.
everything beyond floor generation, such as enemy movement, surprise attacks, or enemy actions and drops in battle, will remain random.
the following options all try to aim at making the respective item category work as in the normal cave while still generating the identical floor layouts, but will lead to slightly different chest contents between attempts
by RealCritical, manmademimic
this is the patch for May 2025's Arena challenge; it will soon be replaced with a randomizable version
shuffling will redistribute the default encounters, while randomizing them will assign a random encounter for each target.
shuffling will redistribute the default patterns, while randomizing them will assign a random pattern for each target.
replacing by pattern means that enemies that normally share a pattern will share it after the randomization, while replacing by sprite means that each visually different sprite will have its own pattern.
changes the order of floors, without changing the total amount or making floors appear multiple times
this is the patch for the romhack as seen on StruggleThon 2023, May 2023's Arena challenge, as well as on Jelly Jam 2024.
by RealCritical, eve___
this is the patch for September 2024's Arena challenge
This is the romhack for September 2023's Arena challenge.
This is one of the two romhacks for April 2024's Arena challenge; make sure you only patch one of these.
replaces Maxim with a character of your choice, which changes the sprites as well as allows for different parties
this is an optional patch for April 2025's and June 2025's Arena challenges
this will remove the unnecessary text from the floor banner, making it much easier to see things behind it
each floor will be the same sized single room, housing a treasure room (currently has a small chance to not feature a treasure room, will be fixed in the future)
this will incorporate any non-boss enemy from the game into the Ancient Cave, adjusted for difficulty, by either introducing completely new encounter groups, or adding those enemies to existing ones
changes all gold rewards for enemies to 1 gold, effectively making it a kill counter accessible in the menu
sets the percentage chance of Destroy/Perish (Perish will be half of Destroy's chance), and the cursed Deadly Sword, Deadly Rod, and Fatal Pick
this will set the floor at which instead of a new floor, the Master Jelly will appear
makes the Master Jelly deal damage to itself equal to its remaining hit points on the final turn
changes the region code of the provided ROM to NTSC, which makes PAL games run on 60Hz (the same speed that US and JP ROMs run on natively); remember to enable "ignore checksum" above when patching this
select a collection of sprites to patch
select individual character sprites (overwrites the above)
sprites by eve___, integration by dank_meats
this is a collection of common fixes that you probably want to patch alongside anything else, as they fix bugs in the game without otherwise affecting the experience
previously known as "Unchained"; allows item types that can normally only be found until floor 9 to be found on all floors, which also makes items appear that can't be found normally, or otherwise only obtained from enemy drops
patch created by rainponcho
fixes the feeding/craving list for capsules, which results in a greater list of craved items as well as no more fake cravings
patch created by manmademimic
rename Deadly Sword/Armor (both enemies and items) to Killer Sword/Armor, to differentiate them from the instant-killing Deadly Sword