Apps Like Sigma Theory for iPhone and iPad
Sigma Theory screenshots
Ranked alternatives
Showing 21–40 of 1,000 ranked alternatives.
Alien Shooter - Lost City
SIGMA TEAM COMPANY LIMITED
Play battles to save the Earth
Play a turn-based strategy game where players command armies to fight against invaders. Manage resources, build defenses, and deploy units across a global map. Unlock new units and technologies through research.
The President: 20th Century 2
OXIWYLE LLC
Lead nations, build armies, manage economies
Manage a nation's economy and resources, including oil, iron, and aluminum. Build and upgrade military forces and naval fleets. Engage in warfare, negotiate treaties, and form alliances. Track progress through in-game statistics and global events.
JioHotstar
JIOSTAR INDIA PRIVATE LIMITED
Stream live sports, watch movies, binge TV
Stream live sports and cricket matches, watch Bollywood and Hollywood films, and binge TV shows before they air. Access exclusive content and global hits from HBO, Peacock, and Paramount. Explore Disney, Pixar, Marvel, and Star Wars libraries.
Pixel Art Camera
NET Sigma Tecnologia Ltda - ME
Convert photos to art
Convert photos and videos to art with 30+ styles and 10+ effects. Record art videos directly or apply the style to existing clips. Save results as videos, live photos, or gifs. Adjust settings to customize the pixelation effect.
High Seas Hero
Century Games Pte. Ltd.
Upgrade weapons, battle mutants, survive
Survive in a post-apocalyptic world by fighting off waves of enemies and mutants. Upgrade weapons with post-apocalyptic technology through tapping. Earn rewards while playing in the background. Defend against relentless attacks and fierce beasts.
Sharpshooter Blitz
Kwalee Ltd
Complete missions with tactical precision
Play as Agent to defeat enemies in a mission. Navigate a building, solve puzzles, and use the environment strategically. Complete objectives by fighting opponents and overcoming challenges.
Letter Fridge
Candywriter, LLC
Create words with magnetic letters
Create words using magnetic letters. Drag and drop letters to form words. Solve puzzles by completing levels with increasing word counts. Use physics-based interactions to manipulate letters. Share completed words with friends.
Espionage - Send Spies on Conquest Missions! Build a Global Intelligence Organization in a Game of World Domination
Alexander Winn
Alliance: Air War
Art of the State LLC
Fight enemy aircraft and ships online
Play as historical and futuristic fighter aircraft in dogfights against AI or other players. Use weapons like machineguns, rockets, and guided missiles. Customize planes with different models and armaments.
Alien Shooter TD
SIGMA TEAM COMPANY LIMITED
Play, defend, save the Earth
Play a tower defense game with themes. Build towers to defend territory. Command a squad of specialized warriors with unique abilities. Upgrade units and strategies to counter increasing threats. Complete missions to progress through levels.
Country Balls: State Takeover
MAD PIXEL GAMES LTD
Conquer territories and expand your empire
Manage a countryball to expand territory through strategic decisions and economic policies. Build alliances, wage wars, and conquer nations. Track progress on a global map. Adjust resources and policies to strengthen your nation.
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