The Mysterious Monkeys were a German esports organisation based in Leipzig, Germany, that formerly had players competing in Counter-Strike: Global Offensive, League of Legends, and Rainbow Six Siege.

On 5 April 2018, the organisation rebranded and was renamed Ad Hoc Gaming.

[1] The Mysterious Monkeys entered the professional League of Legends scene on 22 September 2015, but did not participate in any major Riot-sponsored league until 19 May 2017, when they purchased Misfits Academy's spot in the European League of Legends Championship Series (EU LCS).

[2][3][4] On 24 August 2017, the Mysterious Monkeys were relegated to the EU Challenger Series after losing 0–3 to the Ninjas in Pyjamas.