+1 Muscle to Arm Wrestle Pet Tier List
All 11 pets ranked from S to D tier with muscle and win bonuses compared.
Last updated: 2026-05-31
Tier Legend
S Tier — Best
1 petHuge Hydra Dominus
MythicalThe ultimate pet! 150% of the best normal pet's stats. Only 18-101 exist. Gamepass exclusive.
A Tier — Great
2 pets67
LegendaryThe brain rot pet! Insane x50 muscle multiplier. Extremely rare from 67 Packs.
Strawberry Elephant
LegendaryA sweet legendary pet with massive multipliers. Hatched from Strawberry Eggs.
B Tier — Good
3 petsCyborg Kitty
EpicA futuristic feline with enhanced bonuses. Hatched from Fantasy World eggs.
Walrus
EpicA mighty walrus from the Fantasy World. Strong muscle and win bonuses.
Turkey
EpicAn epic pet with solid bonuses. Can also be obtained via the 'ilovecass' code.
C Tier — Average
3 petsFox
RareA clever fox that doubles your muscle gains. Rare hatch from Basic Eggs.
Piggy
RareA rare piggy pet with good win bonus. Great for early-game Wins farming.
Bunny
UncommonA hopping friend with a decent muscle boost. Also obtainable via the 'bunnyhop' code.
D Tier — Weak
2 petsDog
CommonA loyal companion. Basic pet with a small muscle boost.
Cat
CommonA furry feline friend. Basic pet with a small muscle boost.
❓ Pet Tier List FAQ
What is the best pet in +1 Muscle to Arm Wrestle?
The Huge Hydra Dominus is the best pet, sitting alone in S Tier with an incredible x150 muscle bonus and x50 win bonus. It is a Gamepass-exclusive Mythical pet available for 329 Robux.
How are pets ranked in this tier list?
Pets are ranked from S (best) to D (weakest) based on their muscle bonus multiplier and win bonus multiplier. Higher multipliers and better overall value place a pet higher in the tier list. Rarity, hatch chance, and accessibility are also considered.
Can I get S Tier and A Tier pets for free?
The S Tier Huge Hydra Dominus requires a 329 Robux Gamepass purchase. However, A Tier pets like 67 and Strawberry Elephant can be hatched from in-game eggs (67 Pack and Strawberry Egg) without spending Robux, though they have very low hatch chances around 1%.