Atom Clicker

Atom Clicker is a free incremental game. Start by clicking a single atom, buy buildings that produce for you, and climb through four prestige layers: Protons, Electrons, the Photon Realm and the Radiation Realm, where you fuel a nuclear reactor and keep it stable with control rods to multiply everything else.

How to play

- Click the atom to earn your first atoms.

- Buy buildings, from molecules to cosmic structures, and level them up.

- Spend atoms on upgrades and unlock the skill tree.

- When progress slows down, prestige to earn Protons and Electrons and come back stronger.

Features

- Four prestige layers with their own currencies and upgrades.

- A nuclear reactor to manage in the Radiation Realm.

- Daily quests and Quarks, a rare currency that survives every prestige, with a Quark Shop for permanent upgrades, themes and banners.

- Random power-ups and Higgs Bosons for permanent bonuses.

- Automation: auto-buy buildings and auto-buy upgrades.

- Offline progress with a summary when you come back.

- Global leaderboard and achievements with claimable rewards.

- Works on desktop and mobile, no account needed to play.

No AI-generated art or assets. Made by one developer, fully open source (GPLv3): https://github.com/Ayfri/Atom-Clicker

Join the Discord for feedback and updates: https://discord.ayfri.com