A short rising arpeggio on a soft triangle wave, ending on a held note with a little shimmer. Use it for level ups, rank promotions, streak rewards and any moment the player is told they got better.
triangle arpeggio C5-E5-G5-C6 (523/659/784/1047 Hz), 75 ms each first three notes: 3 ms attack, 80 ms decay (no hard cut at the note boundary) final note held 600 ms, 3 ms attack, 500 ms decay shimmer: sine 2093 Hz at 4.5% level, 450 ms decay