Accretion - Free Online Planet Merge Game
Play Accretion online for free on Apio Games. Launch and merge cosmic dust into planets, discover the Solar System, and build a Sun on mobile or desktop. It runs directly in the browser on mobile or desktop, with no download and no account.
Accretion is a space strategy and merging game where cosmic dust grows into asteroids, planets, and finally a Sun. Aim each launch, use bank shots and course corrections, keep the launch zone clear, and complete discovery missions for bonus mass.
How to play Accretion: Build a Sun
- Drag toward a target and release to launch the next celestial body.
- Merge two matching bodies to create the next object in the cosmic ladder.
- Use wall bounces and charge the course-correction button for difficult shots.
- Keep settled objects away from the launch zone and work your way up to the Sun.
Game features
- Physics-based planet merging
- Ten celestial bodies to discover
- Missions, combos, bank-shot bonuses, and solar flares
- Touch and mouse controls
- Progress saved in your browser
- No download required
Tips for Accretion: Build a Sun
- Plan where a body will settle, not only where it will first collide.
- Use bank shots to reach crowded areas and earn a score bonus.
- Save course correction for a shot that can complete an important merge.
- Merge objects near the top before they block the launch zone.
Frequently asked questions
What is Accretion: Build a Sun?
Accretion is a space strategy and merging game where cosmic dust grows into asteroids, planets, and finally a Sun. Aim each launch, use bank shots and course corrections, keep the launch zone clear, and complete discovery missions for bonus mass.
Is Accretion: Build a Sun free to play?
Yes. Accretion: Build a Sun is completely free to play on Apio Games, directly in your browser. No payment, subscription, or download required.
Can I play Accretion: Build a Sun on mobile?
Yes. Accretion: Build a Sun works on mobile and desktop browsers with touch-friendly controls, so you can play on your phone or tablet without installing an app.
Do I need an account to play Accretion: Build a Sun?
No. You can play Accretion: Build a Sun on Apio Games without creating an account or sharing any personal information.
Similar games
- Vapor: Chain elemental reactions and bank your points before the reactor bursts.
- Mars Dome Builder: Build and grow a thriving colony under domes on Mars.
- Necromancer Army: Raise an undead army, cast spells and survive the night.
- The Little Kingdom That Runs Away: Build, defend and move a tiny kingdom before danger catches it.
- Tunnel Thief: Dig, distract the guards and steal every bar of gold unseen.
Last updated:
Canonical URL: https://apio.games/en/games/accretion/