Four verified biome profiles
Forest, Desert, Snow Forest, and Cave each define their own climate ranges, resource groups, plants, and mob pools.
Explore biome data →
Independent game encyclopedia
Build smarter in ISO-CORE
Browse verified items, recipes, creatures, crops, world generation, shops, effects, environment rules, and tutorial data recovered from the current playtest build.
ISO-CORE is still in development. Its name and mechanics may change before the planned 2027 release.
From the playtest build
View the full catalog →
Featured discoveries
Tools
Iron Pickaxe
Iron Pickaxe is a Pickaxe with tool boost 3 and 200 durability in the current playtest build.
Food
Bread
Bread restores 40 energy when consumed.
Elixirs
Speed Elixir
Speed Elixir applies the Speed Boost elixir effect for 180 seconds.
Placeables
Crafting Table
Crafting Table is a placeable item available in the current playtest build.
Materials
Lumorite
Lumorite is an item defined in the current ISO-CORE playtest build.
Fauna, insects & farming
Every creature's health, damage, behavior, drops, and spawn pool, plus all crop stages, growth times, and harvest yields.
Browse living-world data →Systems beyond inventory
Time, weather, temperature, creature spawning, effects, shops, towns, world sites, and all in-game tutorial instructions.
Open game systems →Planned for 2027
ISO-CORE is a single-player isometric sandbox RPG by JohnBrx, currently available through a Steam Playtest request.
Open the Steam page →