diff --git a/docs/gaming-tools.md b/docs/gaming-tools.md
index 79f37cef8..a8a27b7c1 100644
--- a/docs/gaming-tools.md
+++ b/docs/gaming-tools.md
@@ -256,6 +256,7 @@
 * ↪️ **[Steam Workshop Downloaders](https://www.reddit.com/r/FREEMEDIAHECKYEAH/wiki/storage#wiki_steam_workshop_downloaders)**
 * ⭐ **[SDD GUI](https://github.com/mmvanheusden/SteamDepotDownloaderGUI)** or [DepotDownloader](https://github.com/SteamRE/DepotDownloader) - Steam Depot Downloaders
 * ⭐ **[RedAlt SteamUp](https://cs.rin.ru/forum/viewtopic.php?f=14&t=138413&p=3000090)** - Steam Depot Update Creator
+* [Steam Manifest Guide](https://rentry.co/Steam_Manifest_Guide) - Understand how Steam works
 * [Steam Link](https://play.google.com/store/apps/details?id=com.valvesoftware.steamlink) - Stream Steam Library to TV
 * [Steam Mover](https://www.traynier.com/software/steammover) - Store Steam Games on Multiple Drives
 * [Steam Rom Manager](https://github.com/SteamGridDB/steam-rom-manager) - Add ROMs to Steam
@@ -946,4 +947,4 @@
 * [Map Generator](https://emptybuttons.itch.io/map-generator) - Tabletop Roleplaying Map Generator
 * [MOGG](http://img.mogg.fr/HIRES/) - Magic: The Gathering Card Scans
 * [Yugipedia](https://yugipedia.com/) or [YGOPRODeck](https://ygoprodeck.com/) - Yu-Gi-Oh! Resources / Card Lists
-* [Untap.in](https://untap.in/) - Test Card Game Decks
\ No newline at end of file
+* [Untap.in](https://untap.in/) - Test Card Game Decks