Thanks for playing! I recommend Thalassa, it’s a Cairn Hack that’s really well themed to the Ancient Greek era. Cairn based games are low fantasy and pretty deadly as there’s not too many powers and abilities. 
If you want a more sword and sorcery epic adventurer feel, go for Barbarians Of Lemuria. BOL has very cool mechanics and really makes you feel like an over the top Conan the Barbarian type adventurer. Both of these work well solo too.