Single-player games like Harmony's Odyssey
Below are 15 single-player Steam games similar to Harmony's Odyssey, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Harmony's Odyssey page.
Ranked picks
- 1

Roxy Raccoon's Mancala Madness
Single-player alternative to Harmony's Odyssey — playable solo, no multiplayer required. Shares Indie with Harmony's Odyssey.
When a Voodoo Priestess seeks vengeance upon the world, it is up to one Raccoon to stop her! Learn the basics & master the tactics of the classic board game as you prove, once and for all, that you are the true Mancala champion!
- 2

Petal Crash
Single-player alternative to Harmony's Odyssey — playable solo, no multiplayer required. Shares Indie with Harmony's Odyssey.
Crash blocks together into huge chain reactions in this frantic arcade action puzzler! Pick your favorite character and experience their tale in the Story Mode, solve tricky brain teasers and make your own in Puzzle Mode, shoot for high scores in Solo Play, or go head to head in Versus Mode!
- 3

Detective Montgomery Fox: The Revenge of Victor Draven
Single-player alternative to Harmony's Odyssey — playable solo, no multiplayer required. Shares Indie and Adventure with Harmony's Odyssey.
A hidden-object mystery: search locations, solve puzzles and prove your innocence! As the clock struck midnight, a valuable painting was stolen from the museum. The only problem is that the thief had no idea he actually stole it!
- 4

Detective Montgomery Fox: The Case of Diamond Necklace
Single-player alternative to Harmony's Odyssey — playable solo, no multiplayer required. Shares Indie and Adventure with Harmony's Odyssey.
The Case of the Diamond Necklace calls a famous city detective, Montgomery Fox, to the countryside to solve the mystery in this Hidden Object Puzzle Adventure Game: search locations, solve puzzles and find the stolen necklace!
- 5

Couch Monsters
Single-player alternative to Harmony's Odyssey — playable solo, no multiplayer required. Shares Indie with Harmony's Odyssey.
Cute monsters with portals in their mouths! Couch Monsters is a Couch Co-op puzzle game where two cute monsters have to solve physics-puzzles to reach comfy couches. Whatever one monster eats – the other spits out!
- 6

Spirit of the Obelisk
Single-player alternative to Harmony's Odyssey — playable solo, no multiplayer required. Shares Indie and Adventure with Harmony's Odyssey.
Switch between four unique heroes, each with their own special ability in this charming puzzle platformer. Play alone or with a friend to complete interesting puzzles in vibrant themed worlds.
- 7

Unless
Single-player alternative to Harmony's Odyssey — playable solo, no multiplayer required. Shares Indie and Adventure with Harmony's Odyssey.
Challenge yourself and master 4 Distinct worlds with 66 finely tuned level screens and climb to the top of the Steam Leaderboards in this retro pixel art speedrunning platformer!
- 8

Seeker: My Shadow
Single-player alternative to Harmony's Odyssey — playable solo, no multiplayer required. Shares Indie and Adventure with Harmony's Odyssey.
Seeker: My Shadow is a VR adventure that utilizes the versatility and possibilities of VR, sending players of all ages to an immersive adventure! You control a Giant Spirit while assisting Kippo, a small and adorable Seeker, through various puzzle levels. Go solo or solve the levels in co-op mode!
- 9

Shantae and the Pirate's Curse
Single-player alternative to Harmony's Odyssey — playable solo, no multiplayer required. Shares Indie and Adventure with Harmony's Odyssey.
Embark on an all-new adventure with Shantae, the hair-whipping belly dancing genie. After losing her magic, Shantae teams up with the nefarious pirate Risky Boots in order to save Sequin Land from a curse.
- 10

Hexologic
Single-player alternative to Harmony's Odyssey — playable solo, no multiplayer required. Shares Indie with Harmony's Odyssey.
Immerse yourself in the beautiful world of Hexologic. Solve challenging, yet rewarding puzzles, listen to relaxing music, dive deep into the game’s atmosphere and fall in love in with Sudoku again!
- 11

Seabed Prelude
Single-player alternative to Harmony's Odyssey — playable solo, no multiplayer required. Shares Indie and Adventure with Harmony's Odyssey.
Embark on a journey through a post-apocalyptic underwater steampunk world! Get ready for a musical adventure with detective elements. Discover the secrets behind the city-domes and unravel the mystery of Constructors.
- 12

Trancelation
Single-player alternative to Harmony's Odyssey — playable solo, no multiplayer required. Shares Indie with Harmony's Odyssey.
A dynamic arcade game set in a neon universe full of fractals and translations! Boost your memory, develop new skills, and improve your scores to become a master of Trancelation in this ever-changing journey through linguistics!
- 13

One Line Coloring
Single-player alternative to Harmony's Odyssey — playable solo, no multiplayer required. Shares Indie with Harmony's Odyssey.
A vibrant world of colorful shapes awaits! Connect the dots to uncover charming objects in this colorful take on a classic paper puzzle game. Complete lively dioramas and relax yourself in the pastel world of One Line Coloring.
- 14

Planetiles
Single-player alternative to Harmony's Odyssey — playable solo, no multiplayer required. Shares Indie with Harmony's Odyssey.
Dive into Planetiles, where strategy and creativity converge. Build and transform barren planets into flourishing worlds. Outwit natural disasters, develop vibrant habitats, and navigate complex challenges. Embrace a boardgame-like depth with thoughtful planning and strategic decision-making.
- 15

Truckful
Single-player alternative to Harmony's Odyssey — playable solo, no multiplayer required. Shares Indie with Harmony's Odyssey.
Drive your pickup truck through seemingly peaceful countryside valleys, deliver much-needed goods to local townsfolk and unravel the small town mystery. Beware, the old forest is watching.