https://www.youtube.com/watch?v=RKd7HZlu5Dw Blasting from the past, here comes Jack from JanduSoft's arcade beat'em up/platformer Caveman Warriors! A prehistoric caveman in feudal Japan? It's more likely than you think! Use Jack's prehistoric might to break blocks while in Hyperactive Mode! Jack can also throw his stone axe, which may come in handy to defeat foes that stand either up or down from where you are. You can also use Jack in Super Hyperactive Ninja's fight mode, to play against a friend! On the occasion of the game’s announcement, we have released a playable demo for PC and a speedrun contest alongside it. Top 100 best times will receive a free Steam key for the game! Play the demo, get into TOP 100 best speedruns and win a copy of the game! Demo download and Ranking: http://www.jandusoft.com/shnranking