Eggs Guide
All egg types with hatch rates, best pets from each egg, and opening strategy recommendations.
Eggs are the primary way to obtain pets in +1 Muscle to Arm Wrestle. Each egg type contains a different pool of pets with varying rarities and hatch chances. Understanding which eggs to open and when is key to building a strong pet collection without wasting Wins. Below is a complete breakdown of every egg type in the game, organized by the world or area where they become available.
Basic Egg
Available from the start in the Starter Gym. Cheapest egg with the widest pet pool. Best for early game pet collection.
An epic pet with solid bonuses. Can also be obtained via the 'ilovecass' code.
A clever fox that doubles your muscle gains. Rare hatch from Basic Eggs.
A rare piggy pet with good win bonus. Great for early-game Wins farming.
A hopping friend with a decent muscle boost. Also obtainable via the 'bunnyhop' code.
A loyal companion. Basic pet with a small muscle boost.
A furry feline friend. Basic pet with a small muscle boost.
Best pet: Turkey (2.5x muscle)
Fantasy Egg
Available in Fantasy World after defeating The Unknown. Contains stronger Epic-tier pets with higher muscle and win bonuses.
A futuristic feline with enhanced bonuses. Hatched from Fantasy World eggs.
A mighty walrus from the Fantasy World. Strong muscle and win bonuses.
Best pet: Cyborg Kitty (3.5x muscle)
67 Pack
Special egg containing the brain-rot legendary "67" pet with 50x muscle and 10x win bonuses. Extremely rare at 1% hatch chance.
The brain rot pet! Insane x50 muscle multiplier. Extremely rare from 67 Packs.
Best pet: 67 (50x muscle)
Strawberry Egg
Premium egg with a chance at the Legendary Strawberry Elephant (1% hatch rate). High cost but worth saving up for.
A sweet legendary pet with massive multipliers. Hatched from Strawberry Eggs.
Best pet: Strawberry Elephant (25x muscle)
Gamepass (329 Robux)
The only way to obtain the Mythical Huge Hydra Dominus. Guaranteed hatch but requires Robux purchase. The strongest pet in the game.
The ultimate pet! 150% of the best normal pet's stats. Only 18-101 exist. Gamepass exclusive.
Best pet: Huge Hydra Dominus (150x muscle)
Egg Opening Strategy
Early Game (Starter Gym): Open Basic Eggs to get your first pets. Fox (2x muscle) and Piggy (1.5x wins) are the best targets. You will likely get several Dogs and Cats before hitting the rarer ones, but even these provide a small boost. Use the Golden Machine to merge 5 copies into a Golden version.
Mid Game (Fantasy World): Switch to Fantasy Eggs. Walrus and Cyborg Kitty provide 3x and 3.5x muscle respectively, which is a significant upgrade over Basic Egg pets. Start saving for 67 Packs if you want the "67" pet, but understand the 1% hatch rate means you may need many attempts.
Late Game (Rock Zone & Cyber City): Focus exclusively on premium eggs. The Strawberry Egg and 67 Pack offer the best free-to-play pets. If you are willing to spend Robux, the Huge Hydra Dominus Gamepass is the ultimate purchase.
General tip: Do not spend all your Wins on eggs at the expense of dumbbell upgrades. A stronger dumbbell helps you earn Wins faster, which means more eggs in the long run. Balance your spending between both.
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Last updated: 2026-05-31