You've been given a portal. The company expects you to meet your quota.
A free idle incremental engine-builder, played in the browser. Arrange strange equipment on a hex lattice: it produces mana, and it produces heat, which throttles everything. Most of the job is getting the two to stand each other.
Parts reach across the lattice — auras, elemental resonance and clash, wards that pull the temperature back down. Mana buys more parts, more board, and upgrades, and eventually a promotion.
Lighting the portal…