Games like Relic Alone

"Parcel" is a Science Fiction Adventure game that offers both single-player and local co-op modes for 2-4 players, with split-screen and good graphics. The game features over 120 unique puzzles and a level editor, following a 22nd century postage company while exploring themes of post-humanism and virtual reality. It aims to intellectually challenge players and leave them questioning the future of gaming and humanity.

In "Tetrobot and Co.", players control Psychobot, a tiny helper, navigating Tetrobot's interior to repair it by swallowing and rearranging blocks. This game features challenging puzzle-solving within Tetrobot's circuits, teaching players about electronic devices and chemical properties. Highly regarded by reviewers for its clever level design, charm, and difficulty, "Tetrobot and Co." provides a satisfying mental workout.

Closure is a single-player horror platformer game with a good story, splendid gameplay, and ingenious graphics. Players manipulate lights to affect objects' reality while exploring a spider-like demon's journey through eerie, abandoned settings. The game features a great soundtrack, creating a dense, unsettling atmosphere. Note that the game contains grinding, which might not appeal to all players.

"Stuffo the Puzzle Bot" is a laid-back puzzle game where you help the eponymous robot solve mind-bending puzzles using various blocks to reach the exit. The game features 65 levels, a chill original soundtrack, and approachable yet challenging gameplay. It is accessible with simple controls and does not require quick reflexes, making it a relaxed puzzle experience.

"Isles of Sea and Sky " is a fantasy open-world puzzle adventure game, where players solve block-pushing puzzles, uncover a mysterious narrative, befriend charming characters, and collect items while unlocking extraordinary powers. The game is created by Jason Newman, with music by Craig Collver and QA/Producer Dan Collver. Players who enjoy the game are encouraged to join the game's Discord for updates and announcements.

InFlux is a single-player platformer puzzle game with excellent mechanics, stunning visuals, and a memorable original soundtrack. As a mysterious metal sphere, you'll explore and solve cubic puzzle structures within beautiful, naturalistic environments, while discovering secrets and interacting with a majestic humpback whale. Ideal for relaxation, InFlux supports keyboard and mouse or Xbox 360 controller.

"Chains" is a single-player puzzle game known for its good gameplay, graphics, and splendid music. The game challenges players to link adjacent bubbles of the same color into chains, with physics-driven stages that increase in difficulty. Offering 20 levels, 3 difficulty modes, and unlimited replayability, the game boasts a unique art direction and soundtrack from the Belgian electro band Silence, as well as colorblind support and up to 15 player profiles.

Deleveled is a physics-based puzzle platformer with no jump button, where players manipulate momentum to move blocks and flick switches in over 120 levels across 10 worlds. Each level features unique mechanics and challenges, requiring careful conservation of momentum to solve puzzles and reach every switch. With bonus levels, secrets, and no way to go back up once you're down, Deleveled puts a fresh twist on gravity-based gameplay.

"Flow Water Fountain 3D Puzzle" is a challenging game of increasing difficulty, where you guide water to color fountains by manipulating stones, channels, and pipes on 3D boards. The game features 650 free levels across various packs, including Classic, Pools, Stone Springs, Mech, and Jets. Suitable for puzzle and logic enthusiasts, it offers a time-unlimited, thought-provoking experience.

"Firmament is a single-player adventure game with a deep plot, outstanding visuals, and a spectacular soundtrack. Explore a steampunk-inspired world and solve puzzles using your "Adjunct" device, uncovering the mysteries of three unique realms. Despite some grinding, bugs, and optimization issues, the game boasts a delightful atmosphere and highly emotional narrative."