System Mastery, hosted by Jef Aldrich and Jon Taylor, reviews old and niche tabletop roleplaying games. The show has 347 episodes since August 2013, released roughly every 14 days, with a median length of about 79 minutes. Estimated downloads are 2,000 to 8,000 per episode, implying a sponsor rate of $40 to $200 per episode.
Engaged tabletop roleplaying audience hearing detailed reviews of games across many systems
- 347 episodes since 2013 show a durable archive with steady listener interest
- Apple Podcasts rating of 4.6 from 227 ratings signals a satisfied, engaged audience
- Median episode of about 79 minutes gives room for a substantial host-read segment
Brand fit report
Content
- Formats
- co-hosted banter, game review, session recording
- Tone
- casual, enthusiastic
- Language
- English
- Production
- Clean, edited audio
- Typical length
- 70 to 90 minutes
Audience
Commercial
- Brands seen
- None yet
- Categories promoted
- None yet
- Affiliate links
- No
No sponsor mentions found in the feed
Suitability GARM Brand Safety Floor + Suitability
Family friendly
Recent titles such as '338 - Very Horror Stories' and '336 - MisAdventures' reference horror and fantasy game themes, with no explicit flags present.
We classify content, never people. No age, gender, ethnicity, religion or political views are inferred about the creator. Audience figures are estimates unless marked verified. Creators can correct anything on their profile.
Where to listen
| Platform | Link |
|---|---|
| Website | systemmasterypodcast.com |
| Apple Podcasts | podcasts.apple.com/podcast/id892140531 |
| RSS feed | feeds.feedburner.com/SystemmasteryPodcasts |
Benchmark score: 71 / 100
Public rule, same for everyone. How it works.
Recent episodes
| Episode | Date | Length |
|---|---|---|
| 338 - Very Horror Stories | 2026-10-17 | 1 h 14 min |
| 337 - Double Cross | 2026-10-01 | 1 h 26 min |
| 336 - MisAdventures | 2026-09-18 | 1 h 15 min |
| 335 - Tide Breaker | 2026-09-05 | 1 h 34 min |
| 334 - Delta Green | 2026-08-20 | 1 h 7 min |
| 333- Marvel Heroic Roleplaying LIVE | 2026-08-05 | 1 h 26 min |
Last six episodes from the show's feed, latest 2 days ago, a new one about every 14 days.
Jef and Jon review old roleplaying games
About System Mastery
System Mastery is a long-running podcast hosted by Jef Aldrich and Jon Taylor that reviews old and niche tabletop roleplaying games. The feed lists 347 episodes since August 2013, released about every 14 days, with a median episode length of roughly 79 minutes. Recent episodes cover titles such as Dragonbane, Root RPG and 13th Age, according to the feed.
Apple Podcasts shows 227 ratings with an average of 4.6, which suggests a satisfied listener base. Listener numbers are not published; the estimate of 2,000 to 8,000 downloads per episode is based on the rating count and is an estimate only. The audience is likely tabletop gamers and hobbyists, with an estimated skew toward adult men.
The feed shows no sponsors in the last 20 episodes. Based on the estimate, a host-read mid-roll would cost roughly $40 to $200 per episode. The show suits tabletop game publishers, accessory makers and hobby brands looking for a focused gaming audience.
Written from the show's public RSS feed, its Podcast Index listing and episode titles. Numbers updated 2026-10-19. System Mastery can edit or remove this page at any time.
Questions about System Mastery
How much does System Mastery charge for a podcast sponsorship?
Based on an estimated 2,000 to 8,000 downloads per episode, a host-read mid-roll is estimated at roughly $40 to $200 per episode. Actual rates depend on verified download figures and the show's terms.
What is System Mastery about?
System Mastery is a podcast hosted by Jef Aldrich and Jon Taylor that reviews old and niche tabletop roleplaying games across more than 300 episodes since 2013.
How do I contact System Mastery about sponsoring an episode?
The show's contact email unlocks on Starbooked for $0.80. Boosted shows can also be booked through Starbooked.
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