Swords And Sandals 3: Solo Ultratus
Go to the Little Fat Kid shop. Click on the most expensive spell that you can buy. When the "Buy" sign appears, click your inventory. The "Buy" sign should still be there. Click it, and you will receive money equal to the cost of the spell. Repeat this until you have the desired amount of money. Note: If you have any spells in your inventory it will sell them; sell all spells before attempting this trick.
Defeat an arena champion. Before you advancing to the next chapter, exit the game then open it again. Click on "Load Gladiator" and you will have leveled up.