Games

Warlocks spell arena with two wizards and their health bars

Warlocks

Cast spells. Challenge a rival or play with friends.

Goo game with springy blobs building toward a context window

Goo

Build tiny springy structures out of blobs.

44 physics puzzles
moves, never time

2K48 game board beside its branching commit tree

2K48

Merge token contexts. Branch from any move.

3×3 · 4×4 · 5×5
saved trees · challenges

A chess board with a verified move history

Chess

Choose your Stockfish level, or invite a friend.

five difficulty levels
friend matches