The development team described it as "a free-to-play mobile game that would feature epic Superstar battles in a fantastically re-imagined WWE world.

"[3] The game borrowed many technical elements from the mobile version of Injustice: Gods Among Us including graphics and sound, as well as the three vs. three combat format.

At launch, there were 25 purchasable heroes in the game, nine bronze, nine silver and seven gold including Undertaker, Kane etc., with the addition of the gold Cyborg Brock Lesnar unlocked via a challenge mode expiring on January 31, 2015.

After the Challenge Stage to earn Cyborg Brock Lesnar, the company (Warner Bros. International Enterprises) offered more Challenge stages for more special Gold characters (such as Skull King Triple H, Evolved Paige, Rogue John Cena, Lunatic Fringe Dean Ambrose, Xavier Woods Raiden, Mortal Kombat or A-List Johnny Cage), where five tiers of challenges must be completed in order to gain that special Gold character.

The game also featured online competitive battling, where players went online to challenge with their Immortals against other players' Immortals for prizes of Immortal Credits, special Gear cards (along with regular Gear cards), Challenge Stage tokens, and exclusive renditions of characters offered in these online tournaments (such as Gold Animal Batista, Voodoo Bray Wyatt, Sharpshooter Bret Hart, etc.).

On June 29, 2017, the game was updated to version 2.5. and introduced the Ladder Event and the brand-new Platinum pack and characters.

Immortals introduced a mode called "Zombie Invasion", which allowed players to gain Gold zombified versions of four WWE superstars: Brock Lesnar, AJ Styles, Stone Cold Steve Austin, and Seth Rollins.

After a couple hours reset, the player could attempt the Zombie Invasion again with the stages getting progressively more difficult.