Single-player games like Onyx
Below are 15 single-player Steam games similar to Onyx, 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 Onyx page.
Ranked picks
- 1
Moonchild
Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and Adventure with Onyx.
What kind of danger can a mother face to rescue her child? Moonchild is a unique and enthralling 16-bit style RPG adventure featuring 9 amazing characters, plenty of sidequests and countless items and spells.
- 2
Wind Child
Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and Adventure with Onyx.
Five souls, brought together in a simple rescue mission, come to learn that they are more connected than they had believed. Classic RPG goodness and intriguing storyline with this RPG from Valkyria Studios.
- 3
Labyronia RPG
Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and Adventure with Onyx.
Labyronia is an epic RPG. Only by defeating the gods can you, and your friends, save the world.
- 4
Scarmonde
Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and Adventure with Onyx.
8-Bit Styled dungeon-crawler wherein you assemble a party from 12 Classes to brave The Depths in search of the Dragon God's Sacred Treasures!
- 5
After I met that catgirl, my questlist got too long!
Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and Adventure with Onyx.
Find love and establish your adventurers' guild in this yuri RPG / visual novel hybrid!
- 6
Orangeblood
Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and RPG with Onyx.
"WELCOME TO NEW KOZA" It's the end of the 20th century, on a historic timeline different from that which we know. A manmade island off the coast of Okinawa is humming with a dirty, exotic vibe - and it's awesome!
- 7
Kotama and Academy Citadel
Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and Adventure with Onyx.
In the Academy Citadel, strength reigns supreme: only the most powerful survive and thrive. Fight your way through the high-tech Academy in your quest to get the highest of honors for a student, and uncover secrets that can save it in its direst crisis in this 2.5D side-scrolling Metroidvania.
- 8
Last Word
Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and Adventure with Onyx.
In a society where having the last word means having power over others, a small party is disrupted by a gentleman who politely issues orders via one-way intercom.
- 9
IronBorn
Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and Adventure with Onyx.
What if you discovered that you have the power to stop an evil menace? What if you discovered that to complete that journey, you would have to face your own brother? Join Dale and his friends on a quest of self-discovery, friendship and heroism!
- 10
Skyfall
Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and RPG with Onyx.
Play an exciting 2D old-school RPG in the classic style of Valiant - Resurrection by the same developers.
- 11
Unlikely Heroes
Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and RPG with Onyx.
The evil Lich King, lord of the Undead, is rising once more. It weighs upon your shoulders to do what no one before could, defeat it once and for all, and rid humanity of this ultimate evil!
- 12
Memento Vivere
Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and RPG with Onyx.
Dekar is a noble warrior who has a estranged relationship with his father. After abandoning his rights to the throne and choosing to live a simple life, everything changes for him when a Winged One crashes into his village asking for his help. The fate of the world now lies on his shoulders.
- 13
The Witch Doctor
Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and RPG with Onyx.
Lua is a Witch Doctor, a mutated magician that helps those in need, though they only repay her with disdain and prejudice. As one of the last of her kind, Lua finds out a fellow magician has evil plans to ressurrect the Gigantos, she takes it upon herself to stop the rogue magician.
- 14
Above the Skies
Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and RPG with Onyx.
Dylan is the head of a small village and captain of The Eagle and he takes it upon himself to find The Grail and stop the Falls, saving those he cares for. The journey will be long and perilous, but the whole world above the skies depends on it.
- 15
Sandfall
Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and RPG with Onyx.
The Sand War, a destructive conflict that took place over 30 years ago, still inflicts collateral damages on the continent. Our heroes must discover the the truth behind the war and bring peace once more to the continent while dealing with their own inner conflicts.