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Fantasy Adventure Builder
Versions, Steam Workshops and mod compatibility for Fantasy Adventure Builder.
Fantasy Adventure Builder is a PC/Mac software product that helps you build creative adventures for fantasy Tabletop RPGs. This is the digital version of “Tome of Adventure Design” book by Mythmere Games and also allows you to create your own generators and share them with Steam Workshop.
Browse everything
Sorted, filterable and paged. Every link goes to the author’s own download.
From the developers
Official announcements, newest first. Posted on Steam.
- Mods indexed
- 37
- Versions
- 0
- Newest tracked
- none yet
- Most disruptive update
- No breakage data for this game
Most downloaded
Measured from the source's own counts, summed across every release.
- D&D 5e - All Magic ItemsDungeons and Dragons 5e magic items from all source books.385 downloads
- Random NPC GeneratorA random NPC generator using the "The Game Master's Guide to " series of books. It has a table for names, species (race), brief description, Wants & Needs, secret or obstacle, and also carrying. Results table with dragon color and many MM monsters; it is lacking "Secret/Obstacle" table, as well a...147 downloads
- WeatherSimple Weather table with some added special effects137 downloads
- Wandering WispsFirst Test for Workshop. Barebones table that generates Elementals.81 downloads
- Treasure One-ThreeA treasure table for Shadowdark RPG that rolls the variables such as scrolls, weaapon types, potions, etc.72 downloads
- NpCCreates NPCs that can be used in a palace / political fantasy environment. Profession, haircolor, hair, some character quirks, fears and goals.51 downloads
- Forest EncounterThis is a very basic set of Forest Encounters. Orcs, Goblins, Hobgoblins, Kobolds, Bandits, Humans, Wandering Merchants and odd Shamans, Spiders, Wolves and a Noble with his/her entourage... maybe a few more.42 downloads
- DL28 Smugglers’ Hidden DenMasters of supply and demand smugglers carry anything their customers want (and will pay for), regardless of the law. More cunning than most, smugglers protect their holdings with threats, misdirection and traps.20 downloads
- DL04 Goblin Raiding CampGoblins are dirty, violent and disorganised creatures that live like parasites off of more “civilised” races. They come in small raiding bands, burning and pillaging what they can before fleeing from anyone more frightening than a farmer. Goblin camp19 downloads
- DL01 Owlbear NestOwlbears are a staple of low-level adventures. There is little as frightening for neophyte adventurers than facing down this mad mixture of bear and owl. When owlbears aren’t hunting, they retreat to their nests, making it one of the most likely pla19 downloads
- DL27 Cultists' Hidden FaneHidden in plain sight amongst the houses and shops of local neighbourhoods, cultists worship ancient beings and profane gods. Hidden cellars and secret rooms are the locales for their fouls dens of worship and sacrifice.18 downloads
- DL21 Pirates’ CovePirates, smugglers and buccaneers all have a role in a civilised society. Sometimes hidden in plain sight, these lawless scum, murderers and thieves fit into any world, ready to steal from, and sometimes enslave, the unwary.16 downloads
- DL16 Thieves’ DenFrom well-dressed dandies to undercity scum, you never know who covets your wealth. Whether it’s through violence, trickery, misdirection or subterfuge, thieves know a hundred ways to liberate gold from their victim’s pockets.16 downloads
- DL30 30 Assassins’ HideoutFeared masters of death, assassins slay their victims using a combination of cunning, stealth and brute force.16 downloads
- DL29 Vampire’s CryptScions of the night, vampires live among the prey they feed on; the presence of a vampire often causes chaos and panic. A vampire’s lair is not for the weak-hearted.15 downloads
- DL05 Harpy's NestHalf-woman, half-monster harpies are vicious, corrupt hunters driven by their insatiable desire to eat. They prefer intelligent prey and enjoy speaking with their meals. Dwelling in the world's wild and desolate places harpies are savage and utterly15 downloads
- DL02 Troll CaveAlong with their extreme strength, iron constitution and low intelligence, the primary difference between trolls and more civilised humanoids is their fearless attitude to combat; furiously attacking any sizeable living creature they trust to their r15 downloads
- DL03 Ogre CaveOgres are generally stupid and brutish creatures. When encountered in their lairs, ogres react strongly to the intrusion. An ogre won’t invite intruders in for tea and most likely won’t stop to ask why they are in its home. An ogre’s only interaction15 downloads
- DL20 Kobold WarrenThought of as nothing but pests and scavengers by commoners and adventurers alike, kobolds are cunning masters of ambush and stealth. Intricate traps fill their warrens to welcome foolish intruders daring to invade the kobolds' home.14 downloads
- DL13 Aboleths Sunken LairAboleth's Sunken Lair14 downloads
- DL18 Bugbear's LairMuch more than larger, more sinister goblins, bugbears bring a sinister and morbid level of terror with them wherever they go. They delight in causing fear in their victims and basking in their tortured screams.14 downloads
- DL17 Witch’s HovelShunned by most, the witch is the taker of children, bringer of bad harvests and seducer of good men. Living apart from good honest folk, the witch plays on superstitions to create her terrifying reputation. Beware the dark woods…14 downloads
- DL26 Sphinx’s CaveWise and majestic creatures, sphinxes can be terrible foes if angered. They love puzzles and riddles and happily trade information for new or interesting intellectual challenges. They also love sharing riddles with their guests—but sometimes eat thos13 downloads
- DL24 Roper’s CaveCunning ambush predators, ropers lie in wait pretending to be stalagmites so their prey blunder too close to escape.13 downloads
Browse all 37 Fantasy Adventure Builder mods Sortable by downloads, rating and date.
More utilities games see all
Why Fantasy Adventure Builder mods break
A mod is compiled against one version of a game. When the game updates, anything that reached into the parts that moved stops working, and it usually stops working silently rather than with a message that explains itself.
That is what the table above counts. It is not a guess: each row is a mod the community has reported as broken by that specific release. The number is a fair measure of how disruptive an update was, and it is the reason people delay updating a game they have modded heavily.
Common questions
Does IndexGG host Fantasy Adventure Builder mods?
No, and it never will. Every download link points at the author's own page on Nexus, GitHub, CurseForge or wherever they published it. We index the ecosystem; the files stay with the people who made them.
Where does the compatibility data come from?
From the communities that maintain it in the open, not from guesswork. Each claim carries how it is known, so a reported breakage is never presented as though the author said it.
Why is a mod listed as broken when it works for me?
Compatibility depends on your exact game version and the rest of your load order. A mod marked as broken in one release may work fine on an older one, which is exactly why the version is recorded next to the claim rather than a bare yes or no.






