The next chapter in the HELLCARD series is opening its doors to players. Developer Thing Trunk and publisher Skystone Games have launched the public Steam Playtest for HELLCARD II, giving PC players the chance to experience the cooperative roguelike deckbuilder ahead of its full release. Players can tackle the paper dungeons alone or assemble a party of up to four heroes to take on hordes of enemies, including plenty of dragons. The playtest is available through Steam, with access being granted in waves. Once admitted, players can invite friends to join their party. HELLCARD II expands on the formula established…