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The Old School Renaissance, Old School Revival or OSR is a play style movement in tabletop role-playing games which draws inspiration from the earliest days of tabletop RPGs in the 1970s, especially Dungeons & Dragons. More popular systems developed under the OSR system subculture are Shadowdark, Dungeon Crawl Classics, Mörk Borg, Dolmenwood, Mothership, Perils & Princesses, Basic Fantasy Description The OSR movement first developed in the early 2000s, primarily in discussion on internet forums. OSR games encourage a tonal fidelity to early editions of Dungeons & Dragons. Less emphasis on predefined endings, and a greater emphasis on player choice determining the fate of characters. OSR Games provide play where wrong decisions can easily become lethal for characters and do not guarantee satisfying endings to character arcs. Characters live and die by player choice as opposed to the story's needs

Mothership is an action-packed mixture of sci-fi and horror themes, combined into a streamlined gaming system about surviving in the cold, deadly vacuum of space while everything around you is trying to kill you. All at the same time as you are fighting (or fleeing from) alien creatures who aren't there to make any new friends. Chaos. It was published by Tuesday Knight Games and released in 2024.  It is a survival horror system designed for one-shots and campaigns, inspired by classics like Alien, Event Horizon, and Pandorum. Famous for its streamlined ruleset and award-winning graphic design that prioritizes ease of use at the table. The game, at the same time simplistic and streamlined in design, will challenge the characters at all times, allowing the game to focus on the storytelling and less on having complicated rules. The system it is inspired by is Old School Renaissance Description In Mothership, players take on the roles of blue collar workers in space, such as Teamsters, Scientists, Androids, and Marines. You are not powerful or heroic soldiers; you are vulnerable humans trapped in high pressure environments with alien monsters, failing life support systems and the crushing weight of corporate greed. The game is designed to be fast-paced and unforgiving, where the primary goal is not to win, but often enough - to survive. System Overview & Key Features d100 Percentile Resolution In the core of the game system is the d100 percentile system. Roll two d10 dice and get a number from 00 to 99. Success means rolling a lower result than your character's appropriate stat or skill for the task. Rolling a double, like 11, 22, or 33, is considered a critical success if it succeeds or a critical failure if it fails. Rolling low is the target for survival. Stress and Panic As characters encounter horrors or suffer trauma, they accumulate Stress. When a character experiences a terrifying event or rolls a critical failure they must make a Panic Check. The more Stress they have, the more likely they are to suffer a catastrophic mental breakdown, ranging from a heart attack to a violent psychotic break. The Save System Instead of a long list of saving throws, characters have four primary Saves: Sanity, Fear, Body, and Armor. These are used to resist different types of potential trauma. Fear saves are rolled to keep your cool under pressure, while Sanity saves represent your ability to process alien truths without losing your mind (think lovecraftian horrors). Class Based Skills The game features four distinct classes. Marines are obviously combat focused, Teamsters are pilots and laborers, Scientists are experts in medicine and biology, and Androids are cold calculating, yet efficient machines. Each class has it's unique starting stats and specific triggers for when they gain or lose Stress, which is based on their personality. Lethal Combat and Healing Combat is extremely dangerous and often a last resort. Weapons are likely to deal potentially excessive damage when compared to a character's total healthpool. Healing will be slow and require resources that are hard to come by in the middle of the constant crisis, making every injury feel like a significant threat to the character's chances of making it out alive. Deadly Ship-to-Ship Combat The game includes a streamlined system for starship encounters. Ships have their own stats and modules that are likely to be damaged during a fight. Players must work together to manage various roles and stations, like Engineering or Piloting, to keep the ship's hull from breaching while under fire or fleeing from cosmic anomalies. Additional links tuesdayknightgames.com - Official Tuesday Knight Games website mothershiprpg.com - Official Mothership portal and digital resources

Ishanekon: World Shapers is the (probably) biggest free Indie TTRPG with over 2,500 character options. It has been mainly developed by Jan Luyken, aka Blaze Reason, with the aim of creating a game that can compete (if not surpass) the current biggest games on the market while remaining affordable for anyone. With its easily adaptable rules and wide range of options, from beginner-friendly to highly complex, it is designed to satisfy the needs of almost any story and play style. Description From epic fantasy and sci-fi to mundane humans facing everything from common threats to cosmic horror, Ishanekons: World Shapers’ modular design lets you easily adjust the rules to help you experience your stories. This game is designed with the idea that you bring the flavor, and the mechanics help you bring it to life. The 10 Archetypes with over 200 Sub-Archetypes, 1000+ Abilities, 600+ Talents, 300+ items and upgrades, and more allow you to build anything from a simple cat to a city-destroying kaiju. Role and complexity filters let you find what you need quickly while helping you avoid those features that might be too overwhelming for your liking.

Trophy is a collection of collaborative storytelling games about doomed and desperate treasure-hunters entering a haunted forest that doesn’t want them there. The games explore the physical, mental, and emotional descent of the treasure-hunters as they move deeper and deeper into the forest, encountering ancient ruins, terrible monstrosities, and the greatest horror of all: themselves. Games rooted in Trophy are built around characters willing to push their luck. The character are often desperate, with something driving them to continue against all odds. The system itself encourages risk taking, so if your game isn’t about risks or characters who push themselves, then Trophy might not be the best foundation. Trophy is also about decline. Characters tend to degrade over time, or have some precious resource that they’re gradually losing (or a negative resource that they’re gaining). If your game is about characters becoming more and more powerful, then you might want to try a different system. There are two versions of the game: Trophy Dark and Trophy Gold. Trophy Dark is designed for single session play, while Trophy Gold is designed for longer campaigns.

Codex Cryptica is an AI-assisted worldbuilding and campaign management tool built around a living knowledge graph instead of a folder of loose documents. Every character, faction, location, and event you create becomes a linked entity, so your world stays connected and explorable as it grows. Genre-agnostic across fantasy, sci-fi, cyberpunk, horror, post-apocalyptic, western, steampunk, and more.

A free online character builder and tactical sheet for Mutants & Masterminds 3rd Edition (M&M 3e)