Player has attack based on weapon that he carries.
Player starts with 30 (can vary) HP points. When that number hits zero, the adventure ends. Player can heal using potions.
If players wears armor or shield it gives him protection from damage. Number of success throws (5+) - DEF = Damage.
Player has 3 main abilities: Strength, Dexterity and Charisma. Non combat encounters have difficulty checks. If player rolls equal or more successes, non combat encounter completed and no damage taken.
Player starts adventure with 5 (can vary) scores in each ability.
Well. If you have time we can make game more interesting. Potions that heal, potions that boost ability scores, weapon and armor change.