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+1 to Size per Second: Robbie!
+1 to Size per Second: Robbie!.io
+1 to Size per Second: Robbie! cover art
+1 to Size per Second: Robbie! is a free .io game by Obseshn. Play it online on Playgama.
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+1 to Size per Second: Robbie!
+1 to Size per Second: Robbie!.io
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+1 to Size per Second: Robbie!

4.5 / 349 votesE
Developer: Obseshn
Game Orientation: Landscape
Platforms: PC, Android, iOS
Release date: November 2024
Last Update: August 2026
Game Engine: Unity
Supported Languages: English
Categories: .io, Multiplayer

About +1 to Size per Second: Robbie!

+1 to Size per Second: Robbie! drops you into a competition with one clear goal: become the biggest player on the map. Collect colorful spheres scattered across a large world filled with several big cities, and watch your character grow with every pickup. Rivals are out there doing the same thing, so the race to the top is constant.

Several scenes show a blocky character wearing black sunglasses and a blue shirt standing amid varied environments. One scene presents a town landscape built on a grid-like floating island with green grass, brown paths, and colorful houses. Another moment places an oversized hot dog with mustard on a brown path lined with white stones.

The game comes with pleasant music, a big map, and an endless, relaxing pace that keeps the fun going as long as you want to play.

How to Play +1 to Size per Second: Robbie!

Move around the map collecting colorful spheres — each one adds to your size. The bigger you get, the closer you are to topping all your rivals. The map is large and spans several big cities, so there is always more ground to cover and more spheres to find.

Controls

    • WASD / CFYW: Movement (PC)
    • Joystick: Movement (phone)
    • Space Bar: Jump (PC)
    • Button: Jump (phone)
    • Mouse: R(k) control

Games You Might Like

If growing bigger by consuming everything around you is your thing, io games are packed with competitive size-based challenges just like this one. Eat Blobs Simulator puts you in a colorful arena where eating slime pieces steadily increases your size and opens up new rivals to challenge. Micro.io takes the growing formula into a microscopic battlefield where you consume smaller cells and split or eject mass to survive. Mine: Black Hole lets you swallow entire maps across six escalating levels while upgrading your size and earning skins. Obby: Eat the World adds rival interactions and vibrant multi-universe locations to the eat-and-grow loop. For even more head-to-head competition, browse the full multiplayer games catalog for titles that pit you against other players in real time.

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