Hours played
How long do people play Kerbal Space Program?
Half of its Steam reviewers had played 52 hours or less when they gave their verdict. The middle half sat between 14 hours and 170 hours.
First 2 h
77% recommend
2–5 h
93% recommend
5–10 h
95% recommend
10–20 h
96% recommend
20–50 h
97% recommend
50–100 h
97% recommend
100–200 h
97% recommend
200–500 h
97% recommend
500 h and up
97% recommend
One token is 1% of its Steam reviews, standing at the hours its author had played. Amber recommends it, red does not. Counted from about 148,000 Steam reviews, by the hours each author had played when they wrote theirs. It is not a time to beat.
Does Kerbal Space Program hold up?
It holds steady: between 93% and 97% recommend it at every stage past the first two hours.
The refund window
Do the first two hours of Kerbal Space Program tell you?
3% of its reviews were written inside Steam's two-hour refund window, and 77% of those recommend it. After the window, 96% do. Of the players who gave it a thumbs-down, 82% were already past the window; the typical thumbs-down came 22 hours in.
Out of every 20 thumbs-down, 4 came while a refund was still possible and 16 after the window had closed.
Seal
Kerbal Space Program holds up

Holds up
At least 93% of its Steam reviewers recommend it at every stage from 2 to 500+ hours played.
Earned when at least 90% of a game's Steam reviewers recommend it at every stage past the first two hours, counted over three or more stages of 200 reviews each, with no stage 5 points below an earlier one. Every game that holds it.
Made this game? Put the seal on your site
<a href="https://www.videogamebacklog.com/game/kerbal-space-program#seals"><img src="https://www.videogamebacklog.com/game/kerbal-space-program/seal/holds-up.png" width="160" height="160" alt="Kerbal Space Program: Holds up. At least 93% of its Steam reviewers recommend it at every stage from 2 to 500+ hours played."></a>Everyone's copy
10 of 53 copies here were never launched
In 53 libraries here. 10 never launched it; the typical player who did put in 3.3 h.
Name 100
How well it's remembered
Named in 2.0% of Name 100 runs, about 1 in 51: people remember it when asked to name 100 games from memory.