Idol Showdown

Idol Showdown is a 1 on 1 fighting game where two players battle to knock each other out. At the start of a match, each player selects a main playable fighter, as well as a secondary assist character who can be summoned to perform additional attacks during battle. Each character is based on a Hololive VTuber, and has a unique set of attacks and special moves. Fighters can perform light, medium, and heavy attacks which can be chained together into combos. During a match fighters also charge up a “superchat” meter, which can be used to activate special "super" moves.

Idol Showdown is a multiplayer game that can be played online or locally. It also features single player modes where players can fight against AI controlled opponents. This includes a tutorial mode where players can practice each character's moves, an arcade mode where players have to win several consecutive fights, and "Virtual Frontier" mode where the player faces a series of fights with random modifiers and items appearing to modify the gameplay experience.^[2]

There are so far 12 playable characters and 14 "collabs", characters who provide assist moves, available in the game.^[3] Several other Hololive members appear in the game in other features.

Besto Games spent 2 years developing Idol Showdown. The game utilizes rollback netcode for its online multiplayer.^[6] Despite being an unofficial fan game, some of the VTubers featured in the game offered to record voice lines for their respective in-game characters.^[7]

Idol Showdown was first revealed in a gameplay trailer on March 22, 2023.^[8] The game was released on Steam on May 5, 2023.^[9] The game launched with 8 playable characters including 7 current Japanese VTubers from Hololive, and retired Hololive member Kiryu Coco.^[10] The developers announced plans to add 3 additional playable characters in future updates.^[11] At Evo 2023 Usada Pekora was revealed to be the game's 9th fighter. Her character was added on August 11, 2023.^[12]

On 15 November 2023, Cover established their own publishing label for fangames named Holo Indie to better support fangame creators.^[13] Idol Showdown, one of Cover's directly cited inspirations for the establishment of the Holo Indie brand,^[14] joined the brand on 17 March 2024.^[15]

On 31 February 2025, the developers announced Hakui Koyori as the next fighter.^[16] Her character was added into the game on 5 June 2025.

Elliot Gostick from Siliconera rated the game 7/10 saying, "Idol Showdown is a beginner friendly fighting game and a love-letter to Hololive's streamers and community. But it may have limited appeal outside that demographic."^[17] PCGamesN's Ken Allsop praised Idol Showdown saying, "I'm already impressed by the game's catchy pixel art style and soundtrack. I hop into the game's tutorial mode and am immediately struck by its comprehensive instructions, responsive feel, and overall mechanical depth."^[2] Austin Wood of Games Radar reported the game was downloaded 200,000 times in its first weekend, and received a 95% positive rating from user reviews.^[18]