Rift Keeper is a fast-paced 2D action roguelite game developed by Frymore and published by Maple Whispering Limited in 2019. Here are some notable aspects of the game: 1. Dimensional Rifts: The game's unique selling point is the ability to create rifts between dimensions, allowing the player to teleport short distances and strategically maneuver around enemies and obstacles. 2. Procedural Generation: Each playthrough features procedurally generated levels, ensuring a fresh experience every time. 3. Upgrade System: As players progress, they can unlock and upgrade various abilities, weapons, and passive skills, allowing for diverse build strategies. 4. Boss Fights: The game includes challenging boss battles that test the player's mastery of the rift mechanics and combat skills. 5. Art Style: Rift Keeper features a dark, atmospheric pixel art style that complements its interdimensional theme. 6. Time Manipulation: In addition to spatial manipulation through rifts, the game incorporates time-bending mechanics, adding another layer of complexity to gameplay. 7. Permadeath: Staying true to its roguelite roots, the game features permadeath, but players can unlock permanent upgrades to aid in future runs. 8. Multiple Endings: The game offers different endings based on player choices and achievements throughout their runs. 9. Difficulty Scaling: As players progress, the game dynamically adjusts its difficulty to maintain a challenging experience. 10. Speed Running Potential: The game's design lends itself well to speed running, with leaderboards and time-based challenges for competitive players. Rift Keeper stands out in the crowded roguelite genre due to its unique dimensional manipulation mechanics and the depth of its upgrade system, offering a fresh take on familiar elements.