@ben My favourite rng technique is the shufflebag. It feels much fairer even if you don't completely exhaust it before re-filling because it's naturally self-balancing. You just decide how may "tokens" of each type to put in the bag to set the distribution. Turns out board games have lots to teach you about RNG
@ben I guess I would just use a normal distributed randomness and adjust the success threshold depending on the situation. Like, start with a true 50:50 rate, but increasingly shift towards 51:49 etc
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