Single-player games like Aqua Boy
Below are 8 single-player Steam games similar to Aqua Boy, 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 Aqua Boy page.
Ranked picks
- 1
Tiny Dangerous Dungeons
Single-player alternative to Aqua Boy — playable solo, no multiplayer required. Shares Action and Indie with Aqua Boy.
Hop into a Game Boy inspired metroidvania adventure! Explore a huge and open dungeon and find ability upgrades to help you in your quest! Can you survive the tiny dangerous dungeons and find the presumably huge treasure?
- 2
Super Dangerous Dungeons
Single-player alternative to Aqua Boy — playable solo, no multiplayer required. Shares Action and Indie with Aqua Boy.
Guide Timmy the treasure hunter through dangerous dungeons in search of the legendary treasure!
- 3
The Swordfish: Knight of the Deep
Single-player alternative to Aqua Boy — playable solo, no multiplayer required. Shares Action and Indie with Aqua Boy.
Embark on an epic adventure as a sword-wielding fish and restore order to the kingdom's depths. Explore an ocean world full of adorable characters, menacing foes, and hidden wonders.
- 4
Lone Fungus
Single-player alternative to Aqua Boy — playable solo, no multiplayer required. Shares Action and Indie with Aqua Boy.
A handcrafted open-world platformer set in a world built by Mushrooms! Explore different locations filled with secrets, acquire new abilities and use those abilities to reach new places!
- 5
Pronty
Single-player alternative to Aqua Boy — playable solo, no multiplayer required. Shares Action and Indie with Aqua Boy.
Guide Pronty and its Javelin partner Bront as it defends the once great city of Royla. Explore the deep sea, fight mutant sea creatures, and discover the secrets behind this new Atlantis in this beautiful action-packed adventure.
- 6
Robot Wants It All
Single-player alternative to Aqua Boy — playable solo, no multiplayer required. Shares Action and Indie with Aqua Boy.
Robot wants stuff! Go get it for him in this compilation of the metroidvania Robot Wants series, including an all-new Robot adventure!
- 7
Haiku, the Robot
Single-player alternative to Aqua Boy — playable solo, no multiplayer required. Shares Action and Indie with Aqua Boy.
Delve into the depths of a mechanical world in this cute, adventure-exploration game. Explore and fight in a land full of corrupt robots and machinery. All while seeking answers to the mysteries around you.
- 8
Below The Ocean
Single-player alternative to Aqua Boy — playable solo, no multiplayer required. Shares Action and Indie with Aqua Boy.
Dive into the world 'Below the Ocean'! Master thrilling moves like tether-swinging, bubble-jumping, bungee-bouncing, and sling-shot in a mesmerizing underwater adventure. Solve intriguing puzzles and seek hidden treasures. Are you ready to embark on this unforgettable journey?