Card values and target
Number cards score their face value; skip, reverse and draw-two are twenty each; wild and wild draw-four are fifty each. Add up what each loser is holding and the winner takes the lot.
Play to 200, 300 or 500. The game ends when someone crosses the line, and the board keeps showing who leads and how far they still have to go.
Common questions
Some people score minus points instead
In that variant everyone subtracts their own hand and drops out at a threshold. The plain score pad handles it better — just enter negative numbers.