Games like CO-OP : Decrypted

"Polarity is a clever action game with puzzle-platforming that offers an incredible single-player experience and a full-featured co-op campaign for 2 players, both with compelling gameplay, pretty visuals, and an ingenious soundtrack. The separate coop campaign features 15 levels and a kinetic 2-player versus mode. However, expect lots of grinding, some bugs, and laughter throughout."

"Colortone" is a Metroidvania-style action-adventure game where you must use your brain to solve puzzles and escape a trap-filled environment. With brain upgrades at every level and increasingly complex puzzles, players must rely on their wits to progress. The game also features trade maps for additional challenges. Wishlist now on Steam.

"Downward is a single-player adventure game with stunning graphics and plenty of humor, but also features numerous bugs. As humanity's last hope, you'll use parkour techniques to traverse dangerous ruins, fight ancient guardians, and collect artifacts to control deadly calamities. Explore freely, level up your character, and uncover secrets in this thrilling post-apocalyptic world."

"Scrap Garden" is an adventure puzzle game featuring Canny, a small rusty robot. Canny awakens in a post-human world and sets off on a journey to find the meaning of his existence. Along the way, he explores beautiful landscapes, solves puzzles, and meets other robots in this heartwarming story. The game offers a charming world with a variety of challenges for players to discover.

Myrmidon is a co-op puzzle-platformer where two players assume the roles of an animator and their puppet, navigating a whimsical world through unique first- and third-person perspectives. Together, they solve puzzles and perform daring acrobatics, relying on teamwork to overcome obstacles. Despite its captivating story and stunning visuals, the game suffers from optimization issues and bugs.

Hidden Deep is a 2D sci-fi thriller game set in a sub oceanic mining and research facility, where you lead a team to discover what happened to the previous researchers who went missing. Utilize specialized equipment, give orders to your team, and defend against horrific alien life forms and other unknown dangers. The game features multiple game modes, including a single-player option.

In Shift Happens, players control Bismo and Plom, two connected jello creatures who aren't afraid to change size and abilities to navigate through four diverse worlds. From a freaked-out laboratory to the bitingly cold caves, each level introduces new puzzles and challenges for players to tackle. While it's enjoyable for solo players, the game's full potential is experienced in multiplayer mode, encouraging teamwork and friendly competition.

"Backrooms Rec. is a chilling action game, available in early access on Steam, where players can explore the labyrinthine Backrooms in single-player or multiplayer co-op modes. Immerse yourself in a terrifying atmosphere with realistic visuals and uncover the secrets behind the walls of this mysterious place."

In "The Wild Eight," eight plane crash survivors must work together to stay alive in a harsh Alaskan wilderness, fraught with danger and hidden secrets. Gather resources, craft tools, and evade deadly creatures while uncovering the mystery behind the crash. Play solo or with up to seven other players for a challenging and immersive experience.

Rogue Hero is a 4-player co-op Role Playing Game with procedural dungeons and permadeath. Embark on a rogue-lite adventure to save Tasos, a realm threatened by Titans. Each run offers new layouts, traps, and puzzles, encouraging players to upgrade heroes and try again. Despite occasional bugs and grinding, the game boasts exceptional graphics, music, and humor.