Heroes Online World is a mobile game that offers players the chance to be a hero or villain and help fight to take over the world. In order to unlock new characters, players have to earn coins and find three chests that spawn every 20 minutes.
The races in Heroes Online World are categorized into different tiers. The best races in tier SS are Hellflame and Dark Shadow while Manifestation and Explosion are the popular ones in S+. One For All is a race in tier S and Ice ranks in the A+ tier. Navel laser and Flame are the best races in the A tier while Cement is a race in the B+ tier. Creation ranks in the B tier and Overhaul ranks in the C+ tier. Regen is a race in the C tier.
SS Tier
| Races | Tier |
| Hellflame | SS |
| Dark Shadow | SS |
S⁺ Tier
| Races | Tier |
| Manifestation | S⁺ |
| Explosion | S⁺ |
| All For One | S⁺ |
S Tier
| Races | Tier |
| One For All | S |
| Ice | S |
| Cremation | S |
| One For All Prime | S |
A⁺ Tier
| Races | Tier |
| One For All | A⁺ |
| Ice | A⁺ |
| Cremation | A⁺ |
| One For All Prime | A⁺ |
A Tier
| Races | Tier |
| Navel laser | A |
| Flame | A |
B⁺ Tier
| Races | Tier |
| Cement | B⁺ |
| Foldabody | B⁺ |
| Bloodcurdle | B⁺ |
| Fat Absorption | B⁺ |
B Tier
| Races | Tier |
| Creation | B |
| Zero Gravity | B |
C⁺ Tier
| Rarity | Tier |
| Overhaul | C⁺ |
| Acid | C⁺ |
| Hardening | C⁺ |
C Tier
| Races | Tier |
| Regen | C |
| Somnambulist | C |
| Engine | C |
| Electrification | C |
| Muscle Augmentation | C |