New Helsinki
This reality requires dice. Like a simple Roleplaying Game, you begin with simple stats + the amount you get from the dice, preferably 10 sided. Options may have a number rating which you must get higher than. If you get lower than the number you choose the negative option, higher the positive. For simplicity, if you get the same value choose either negative or roll again. At any stage once you level up a character you may return to previous locations to complete sections you couldn't have...