Dota Auto Chess now has a spin-off based on Warcraft 3 Valve fans and Blizzard fans collide, with a Warcraft-themed mod of a mod of a game based on Warcraft 3. Confused yet?

A modder managed to bring the old Warcraft 3 eul map into Dota 2's Source engine. Dota modder Arsjac has ported eul 3.76d, one of the very early Dota maps in Warcraft 3, into Dota 2.

The original Dota mod will 'probably' work in Warcraft 3: Reforged Blizzard's team is working to make sure custom maps work in Warcraft III: Reforged.

Warcraft 3: Reforged's acceptable use policy gives Blizzard ownership over players' custom maps and modes in order to prevent a repeat of 'Dota 2.' ...

Based on a mod for Warcraft 3 in the mid 2000s, Dota 2 bears a great deal of the RPG-infused RTS gameplay that defined Blizzard's series — so much, in fact, that some characters in Dota 2 and ...

1 Dota 2 (Warcraft III: Reign Of Chaos) DOTA 2 is perhaps the absolute best game that started as a mod.

IceFrog eventually went to Blizzard, asking to be hired to develop DOTA into its own game. Blizzard declined, but a few years later Valve hired IceFrog to make Dota 2.