Dark Thrones is a 2D endless runner game:

Dark Thrones is a 2D endless runner game. You play as 'Dark', an assassin on his last run to redeem himself and protect those he loves against legions of undead on top of an endless wall. Jump over and slide under various obstacles. Have no mercy against every last unyielding enemy standing in your way to boost your score while collecting coins to upgrade power-ups strewn all across the wall.

Witch Hunter is a 2D endless runner game:

Witch Hunter is a 2D endless runner game. Play as 'Wolf', a famous monster slayer on his last adventure to redeem his name and become the most famous of his kind against hordes of creatures from dark forests. Have no mercy against every last monster standing in your way to boost your score while collecting coins to upgrade power-ups hidden all across the dark forests.

Shop
The player collects coins which allows them to purchase upgrades from the in-game shop. These upgrades aid progression against the trophies.