Head right, level by level. Your hero attacks on its own. Beat each Gatekeeper to open the gate, and spend the XP you earn in a skill tree that forks two ways.
1Choose a hero
→
2Check & start
1 · Choose a hero
2 · Check & start
WASD or arrows move · head rightDrag anywhere to move · head rightAttacks fire by themselvesSpace ability · T skill tree · P pauseTap the ability button · spend XP in the skill treeThe campfire heals you, but burns out after 2:30