o-o-O! app icon

Apps Like o-o-O! for iPhone and iPad

Combine atoms to create elements

Manage atomic synthesis by combining atoms to create elements and generate energy. Conduct experiments to discover new synthesis formulas and unlock scientific advancements. Track progress and adjust reactions for optimal results.

by Iouri Korotkikh★ 3.01 ratingsGamesFreeData updated 2026-09-06

o-o-O! screenshots

Ranked alternatives

Showing 21–40 of 1,000 ranked alternatives.

  1. Drop and Explode: Soda Geyser app icon

    Drop and Explode: Soda Geyser

    AI GAMES FZ LLC

    Create geysers and collect candies

    Perform experiments by combining mint candies and to create explosive reactions. Collect candies to increase fountain height. Use multipliers to generate more balls and them into a coke bottle. Track progress and aim for higher geysers.

    ★ 4.91,975 ratingsGamesFreeData updated 2026-09-06
  2. Jetpack Joyride 2 app icon

    Jetpack Joyride 2

    Halfbrick

    Play, upgrade, and conquer challenges

    Play a frantic adventure where Barry fights new enemies with updated equipment and weapons. Navigate a laboratory to stop scientists' experiments. Features include HD graphics, new animations, and gameplay mechanics similar to .

    ★ 4.829,070 ratingsGamesFreeData updated 2026-09-06
  1. Mega Tower - Casual TD Game app icon

    Mega Tower - Casual TD Game

    HONG KONG YOULOFT TECHNOLOGY LIMITED

    Build towers, merge units, conquer planets

    Is a defense with idle gameplay and manual targeting. Players build and merge towers to strengthen defenses. Strategic placement of towers is required to conquer the planet.

    ★ 4.65,153 ratingsGamesFreeData updated 2026-09-06
  2. Only Parkour: Heaven or Hell app icon

    Only Parkour: Heaven or Hell

    Tuan Nguyen

    Jump, climb, and survive

    Navigate vertigo-inducing environments to complete parkour challenges. Jump, climb, and dodge obstacles in dynamic levels. Choose between ascending to or descending into . Progress through story-driven missions with increasing difficulty.

    ★ 4.77,918 ratingsGamesFreeData updated 2026-09-06
  3. Clone Evolution: Cyber War app icon

    Clone Evolution: Cyber War

    Feelingtouch Limited

    Train clones, upgrade armies, battle foes

    Play a science fiction themed card game featuring idle RPG mechanics. Build and upgrade a army through strategic battles. Collect and evolve cards with unique abilities. Unlock new units and technologies through progression.

    ★ 4.41,810 ratingsGamesFreeData updated 2026-09-12
  4. Super Fighter 3: Open City app icon

    Super Fighter 3: Open City

    Starplay DMCC

    Explore cities, fight crime, swing between buildings

    Explore an -world with web-based swinging and wall climbing mechanics. Fight crime using combat skills against gangsters and mafia members. Traverse environments, complete missions, and unlock new areas to progress through the storyline.

    ★ 4.7191,606 ratingsGamesFreeData updated 2026-09-06
  5. Doodle God: Alchemy & Sandbox app icon

    Doodle God: Alchemy & Sandbox

    JoyBits Co Ltd.

    Create elements, build worlds, mix combinations

    Create a universe by combining elements like fire, earth, wind, and air. Build and animate planets through element interactions. Explore a challenging "Planet" mode to design your dream universe. Track progress as elements evolve and come to life.

    ★ 4.45,483 ratingsGamesFreeData updated 2026-09-08
  6. Minesweeper Genius app icon

    Minesweeper Genius

    Mother Gaia Studio

    Sweep mines and solve puzzles

    Play a logic-based game by interpreting numbers to identify mine locations. Flag tiles with mines and guide Aristotle through the field to reach the portal.

    ★ 4.8220 ratingsGames$1.99Data updated 2026-09-13
  7. Narwhal Evolution -A Endless Clicker Monsters Game app icon

    Narwhal Evolution -A Endless Clicker Monsters Game

    Romit Dodhia

    Combine narwhals to evolve and discover new

    Combine same-type narwhals to create mutated creatures with unique traits. Collect poop to earn coins. Customize mutations by pairing different narwhals. Explore evolving creatures with unusual features and abilities.

    ★ 4.7639 ratingsGamesFreeData updated 2026-09-06
  8. God Sacrifice app icon

    God Sacrifice

    伟 王

    Craft gear, summon gods, conquer adventures

    Collect equipment by offering sacred stones to the altar. Craft and use powerful gear for adventures. Summon mythical gods through collection and synthesis. Participate in competitions and challenges. Explore an endless list of activities.

    ★ 4.6220 ratingsGamesFreeData updated 2026-09-06
  9. Pig Evolution - Tap Coins of the Piggies Mutant Tapper & Clicker Game app icon

    Pig Evolution - Tap Coins of the Piggies Mutant Tapper & Clicker Game

    延锐 胡

    Evolve pigs, combine traits, discover mutations

    Evolve pigs through mutations and combinations. Collect poop to unlock new traits and abilities. Discover unique mutations and create fantastical pig variations. Track progress and experiment with different paths.

    ★ 4.75,990 ratingsGamesFreeData updated 2026-09-10
  10. Car games: drive car parking app icon

    Car games: drive car parking

    TECHNOPROSPER LTD

    Cars and park vehicles

    Vehicles including cars, trucks, and buses in realistic simulations. Navigate bridges over rivers, dodge lava, and avoid water holes. Adjust speed with a speedometer. Park vehicles in challenging environments. Use classic and modern cars.

    ★ 4.428,897 ratingsGamesFreeData updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.