Single-player games like Mermaid
Below are 10 single-player Steam games similar to Mermaid, 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 Mermaid page.
Ranked picks
- 1

DS Epoch
Single-player alternative to Mermaid — playable solo, no multiplayer required. Shares Adventure and RPG with Mermaid.
In 2048 AD, An AI calling itself DS issued a notice to all mankind: that human society is temporarily taken over by AI. All intelligent weapons are controlled by AI, the armies of all countries are defeated by AI, and only a few resistance forces remain on the earth.
- 2

Foot Massage
Single-player alternative to Mermaid — playable solo, no multiplayer required. Shares Indie and RPG with Mermaid.
The player plays the role of a foot masseuse. Every night to receive city beauties, provide foot massage services. Serve people and meet own little hobbies.
- 3

Callparin 2
Single-player alternative to Mermaid — playable solo, no multiplayer required. Shares Indie and Adventure with Mermaid.
Callparin 2 offers a varied open world. All shops can be entered and the island fully explored. You can buy almost anything here with money. It is up to the player how the money is made. The goal is to do what you feel like doing.
- 4

Protodroid DeLTA
Single-player alternative to Mermaid — playable solo, no multiplayer required. Shares Indie and Adventure with Mermaid.
Reach your potential in a fast and fluid 3D action-platformer set in a beautiful and hopeful Solarpunk world. Take on challenging bosses, upgrade your systems, and show humanity the promise of AI.
- 5

Maneater
Single-player alternative to Mermaid — playable solo, no multiplayer required. Shares Indie and Adventure with Mermaid.
Experience the ultimate power fantasy as the apex predator of the seas - a giant Shark! Terrorize the coastal waterways. Tear swimmers and divers limb from limb, give the humans a reason to fear you!
- 6

极乐不羡仙
Single-player alternative to Mermaid — playable solo, no multiplayer required. Shares Indie and Adventure with Mermaid.
玩家将扮演一个被宗门背叛的修仙者,废除修为后和师妹重新双修追求极乐大道,再向原宗门复仇和救回其他的几个师妹,并揭露一切的真相。
- 7

Teleportals. I swear it's a nice game
Single-player alternative to Mermaid — playable solo, no multiplayer required. Shares Indie and Adventure with Mermaid.
I swear it's a nice puzzle game.
- 8

Dreamfall: The Longest Journey
Single-player alternative to Mermaid — playable solo, no multiplayer required. Shares Adventure and RPG with Mermaid.
Dreamfall: The Longest Journey, winner of multiple E3 awards as the best game in its genre, is the continuation of a saga that began in the award-winning The Longest Journey, considered to be one of the finest adventure games ever made.
- 9

Speed Night
Single-player alternative to Mermaid — playable solo, no multiplayer required. Shares Adventure and RPG with Mermaid.
Late at night, a young driver was driving his beloved sports car on the road. When he passed a bus stop, I found a girl being bullied by some hooligans. He stopped the car...
- 10

Pretty Agent
Single-player alternative to Mermaid — playable solo, no multiplayer required. Shares RPG with Mermaid.
Urgent mission! According to reliable intelligence, the female drug Lord Miss S is hiding in the city's X hotel. In order to avoid causing unnecessary panic, please play as female agent 33 to the destination to execute secret arrest!