From January 2021 many browsers will no longer support Flash technology and some games such as Transformice may not work.
Solutions are being studied to allow Flash games being playable again on browser. If your game doesn't work you can try one of the similar games on this page.
TransformiceAuthor : Atelier 801 - 999 690 plays
Play as a little mouse and get more pieces of cheese back to your hole than the other players. Transformice is a crazy multi-player platform game with a large and very active community. Personalise your mouse with objects you unlock, chat on the game’s forum as you play, or let your imagination run wild with the level editor.