Blob.IO

is a top-down single-player game where you grow your blob, drink potions, and open cases. Roll around the map, eat smaller dot-blobs  grow bigger, devour other blobs, and try not to get eaten by players bigger than you.

Controls:

Mouse - move your blob around
Space - split your blob
W - drop some mass
M - merge your blobs back together

Mobile Controls:

Move - Touch controls: move by dragging your finger around the screen

Other - Buttons 

Potions:

Mass Potion - helps you grow your mass faster.

Health Potion - gives you an extra life, basically a second chance.

Gold Potion - doubles the coins you pick up around the map.

Speed Potion - gives you x4 speed, so you can zoom around like crazy.

Spike Potion - protects you from spikes, so you won't split into pieces when you hit them.

Predator Potion - pretty OP. Lets you eat blobs that are up to 50% bigger than you.

Ultra Potion - straight-up God Mode: max speed + you can eat blobs up to 3 times bigger than you.

Rich Potion - gives you x10 coins from pickups around the map.

Buffs:

Double Mass - start the game bigger and get more mass from food.

Lucky Case - gives you better loot from spheres.

Double XP - doubles the XP you earn.

Shield Buff - gives you a shield so you can't get eaten for a while.

Spheres:

Wooden Sphere - a free little chest that gives you a bit of everything.

Earth Sphere - gives a decent amount of coins, but not much DNA.

Gold Sphere - packed with gold, but doesn't give much DNA.

Nether Sphere - full of DNA, but gives fewer coins.

Divine Sphere - the best one. Drops a ton of everything at once.

Play directly in your browser on both desktop and mobile.