Games Released in December 2025

2,322 games released in December 2025. Among the most notable are S.T.A.L.K.E.R. G.A.M.M.A., MARVEL Cosmic Invasion, Darkest Dungeon II: Resolute - PS4 & PS5, Idlequarium and MARVEL Cosmic Invasion - Xbox Series. Each listing shows the confirmed release date and the lowest current price across stores, so you can plan purchases and catch launch-window deals. Browse the full December 2025 lineup below, sorted by release date and anticipation, and compare prices on ReadyGame.