Free game mode

Coralie’s Combo Reef

Brock: Coralie

Earn Reef Moves, connect matching pieces and build Combos on your puzzle board.

How it plays

Correct answers earn one Reef Move. Puzzle performance never changes academic accuracy.

Classroom format

Individual puzzle reefs. The teacher chooses a study set; students join a classroom room by code. Students do not need a paid subscription.

A reason to try it

Correct answers earn game choices in Coralie’s game. Game points and answer accuracy are shown separately.

Free to host for authenticated teachers with access to a study set. These 16 modes do not require Pro or use the ordinary monthly creation allowance. Room validation and technical protections still apply.

Sign in as a teacher, then choose your question set. Room-end learning results follow the current room policy; report archives and exports have separate access rules.