The mobile game Top War on iOS and Android is doing a collaboration with Transformers. The character lineup includes Optimus Prime, Bumblebee, and Blaster versus Megatron, Starscream, and Soundwave. https://twitter.com/TBattlegame/status/1418148823860404227 https://twitter.com/TBattlegame/status/1419605918468108294 Screencaps https://twitter.com/TBattlegame/status/1420330694195040259 (Vertically-long image. Click the above link to see the tweet.) Even the Japanese version is promoting this collaboration. https://twitter.com/TopWar_JP/status/1418148822405074946 https://twitter.com/TopWar_JP/status/1420333281535348739 https://twitter.com/TopWar_JP/status/1420694367350648833 That Japanese image indicates the event runs from Tuesday 10 August to Monday 23 August 2021.