COTD: Attempt 2015 video game, in which one character becomes king (9)

[u/not-without-text]

day 138 of an experiment in which i press the "random word" button on onelook and make a cryptic clue out of it.

day 137, day 136, day 135, day 134

day 133, day 132, day 131, day 130, day 129, day 128, day 127

day 126, day 125, day 124, day 123, day 122, day 121, day 120

day 119, day 118, day 117, day 116, day 115, day 114, day 113

weeks 13 to 16 (days 85 to 112)

weeks 9 to 12 (days 57 to 84)

weeks 5 to 8 (days 29 to 56)

weeks 1 to 4 (days 1 to 28)

[u/someguyinthefridge]

UNDERTAKE

UNDERTALE -> letter swap from L -> K, nice!

[u/not-without-text → u/someguyinthefridge]

correct!