Tsunamis.io

Tsunamis.io is a multiplayer survival and tycoon game where players build a fortune while dodging massive natural disasters. Set in a shared 3D world, the experience combines resource management with high-stakes movement mechanics. Players navigate a map continually threatened by gigantic waves, gathering resources known as “brainrots” to generate income.

The core gameplay loop focuses on balancing risk and reward. Players explore the environment to find collectibles, which must be physically transported back to their personal base to be secured. Once deposited, these items produce passive income. While low-value items are common near the starting zone, valuable resources are located further out, requiring longer and more dangerous trips. The ever-present threat of tsunamis forces everyone to stay alert, as getting caught in a wave can halt progress. Additionally, the economy is competitive; players can raid rival bases to steal unsecured resources, making defense just as important as gathering.

Successful players invest their earnings into essential upgrades. Improving movement speed allows for quicker map traversal and better evasion of waves, while carrying capacity upgrades enable larger hauls. For those looking to maximize efficiency, the game includes a “Rebirth” system. This feature allows players to reset their current progress in exchange for a permanent multiplier to future earnings, effectively prestige-ing their account for long-term growth.

Progression also involves unlocking skins and utilizing special items like lucky blocks, which spawn random rewards. The game supports social play, allowing users to team up or compete against friends in private rooms. Players can play the game fast and easy online for free.

Made by Legion Games that also brought you games like Kour.io, Poxel.io, and more.

Controls

• WASD or Arrow Keys: Move character
• Mouse: Look around
• Space: Jump/Action (contextual)