I enjoyed the game! However, the mechanic for destroying segments wasn't very clear. What if you had anti-particles that floated around as well to provide both an explicit means to reset your molecule but to also add to the challenge of dodging unwanted atoms.
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Ah I see. Not sure if it quite worked because if the player is attempting to connect to the atom but ends up destroying a connection by accident, it isn't as satisfying. Whereas if you had a antiparticle or "delete atom" it would be clearer and more consistent in terms of what to expect in each collision.