99 Levels to Hell is a platform shooter with lots of guns, upgrades, magic, traps and monsters to kill. 99 Levels to Hell is a rogue-like, which means surviving is key and every time you play you get a new set of levels to play. When you complete 10 levels, the 10th being a boss-fight you unlock a door to the next dungeon.
Region: Global. Check that the key's region matches your Steam account's country before buying — region-locked keys can't be activated elsewhere.
What you get: one unique, unused product key, shown on your order page (and in your account) once payment is confirmed — usually within minutes, and at most 24 hours. No physical item is shipped.
How to activate: open the Steam client, choose Games → Activate a Product on Steam, accept the subscriber agreement and paste your key. The game then appears in your library, ready to download.
Requirements: a Steam account and the Steam client. System requirements are set by the publisher and listed on the game's Steam store page.