The urban legend is that the game was part of a government-run crowdsourced psychology experiment, with gameplay producing intense psychoactive and addictive effects in the player. These few publicly staged arcade machines were said to have been visited periodically by men in black for the purpose of data-mining the machines and analyzing these effects. Finally, all of these Polybius arcade machines allegedly disappeared from the arcade market.
Probably to be released this year
Techland has provided an update on the troubled Dying Light 2. Mostly it comes down to asking for patience, while also acknowledging that they simply announced the game too early. Dying Light 2 first came to the light in 2018.