The encryption key is "unbreakable" and you can decrypt and encrypt your save file with a free EasySave3 decoder. There is no compression so you should get a clean, readable json file.

On Windows you can find your save files under AppData/LocalLow/SoulGame/Minishoot/ Look online for how to locate your AppData folder.

The fields in the file are as follows:

• justToCreateSaveFile (integer) - this is a dummy value, always zero. A save file has only this right after creation.
• AccessibilityChanged (boolean) - whether the accessibility settings were enabled.
• Difficulty (integer) - 0/1/2 correspond to Explorer/Original/Advanced difficulty.
• DifficultyLowestChosen (integer) - the lowest difficulty ever used on this save file.
• InfiniteEnergy (boolean) - the infinite energy accessibility setting.
• Invincibility (boolean) - the invincibility accessibility setting.
• GameSpeed (float) - the game speed accessibility setting.
• CollectableFound ({Currency:integer}) - a dictionary describing the amount of collectables of a certain kind the player owns at that moment:
  • 0 - None - dummy value, always zero
  • 1 - SuperCrystal
  • 2 - Scarab
  • 3 - Lore
• Crystalized (boolean) - TODO
• CurrCheckpoint (string) - currently active checkpoint. Some notable values:
  • "OverworldCheckpoint0" - the overworld respawn in the town
  • "CaveCheckpoint0" - where you're spawned at the start of the game
  • TODO - document the rest
• CurrLocation (string) - current "dimension" you're spawning in. Some notable values:
  • "Overworld"
  • "Cave" - shared across all the caves
  • TODO - document the rest
• DungeonKeys ([integer]) - a list indicating how many keys you have collected and not used in each dungeon.
• DungeonBossKeys ([integer]) - a list indicating how many boss keys you have collected and not used in each dungeon?
• GameStats ({GameStatsId:float}) - a dictionary describing some statistics about the save:
  • 0 - PlayerDeath
  • 1 - Playtime - measured in seconds
  • 2 - ScarabCaught
  • 3 - CoconutDestroyed - lol yeah
  • 4 - EnemyDestroyed
  • 5 - Size3Destroyed - I'm not sure what a "Size3" is, probably some kind of enemy, TODO
• Map ({MapRegion:MapRegionState}) - a dictionary describing what pieces of map have been collected and scanned. It uses two enums:
  • MapRegion:
    • 0 - Green - the strating area
    • 1 - Beach
    • 3 - Abyss
    • 4 - Forest
    • 5 - Desert
    • 6 - Swamp
    • 7 - SunkenCity
    • 8 - Junkyard
    • 9 - None - doesn't correspond to any map fragment in game
  • MapRegionState:
    • 0 - Locked
    • 1 - Unlocked
    • 2 - Scanned
• Modules ({Modules:boolean}) - a dictionary describing which modules you have collected:
  • 0 - IdolBomb
  • 1 - IdolSlow
  • 2 - IdolAlly
  • 3 - BoostCost
  • 4 - XpGain
  • 5 - HpDrop
  • 6 - PrimordialCrystal
  • 7 - HearthCrystal
  • 8 - SpiritDash
  • 9 - BlueBullet
  • 10 - Overcharge
  • 11 - CollectableScan
  • 12 - Rage
  • 13 - Retaliation
  • 14 - FreePower
  • 15 - Compass
  • 16 - Teleport
• Skills ({Skill:boolean}) - a dictionary describing which skills you have unlocked:
  • 0 - Supershot
  • 1 - Dash
  • 2 - Hover
  • 3 - Boost
• StatsLevel ({Stats:integer}) - a dictionary describing how much you have upgraded your stats:
  • 0 - PowerAllyLevel
  • 2 - BoostSpeed
  • 3 - BulletNumber - level of your gun
  • 4 - BulletSpeed
  • 5 - _EmptyStatsSlot
  • 6 - PowerBombLevel
  • 7 - CriticChance
  • 8 - Energy - number of energy upgrades you have collected
  • 9 - FireRange
  • 10 - FireRate
  • 11 - Hp - number of heart pieces you have collected
  • 12 - MoveSpeed
  • 13 - Supershot
  • 14 - BulletDamage
  • 15 - PowerSlowLevel
• StatsPoints (integer) - the amount of levels you have to spend on upgrades.
• UniqueKeys ({KeyUse:boolean}) - which special keys you have collected and not used:
  • 0 - None - placeholder value, always 0
  • 1 - Normal - TODO
  • 2 - Boss - TODO
  • 3 - Scarab - the scarab key
  • 4 - Darker - the dark crystal
  • 5 - FinalBoss - the dark heart
• Version (float) - the game's version, 1.021 as of this writing
• XpTotal (int) - total experience collected on this save
• WorldState ({string:boolean}) - a dictionary documenting events that happened or are yet to happen in the world, like breaking dark crystals or getting collectibles. There's way too many possibilities to document here.

TODO: more reasearch on WorldState.