Dev marketing
Steam is overserved. Stop launching into the haystack
Published Aug 8, 2026 · 6 min read · 6 charts
Steam tags are a terrible product brief and a decent crowdedness map.
If your store page reads Indie + Casual + Action + Adventure, you are not describing a game. You are describing the default pile. This post measures that pile with IndieDex catalog data: how much supply each major tag carries relative to Steam review mass, how fast those tags are still growing, and which sharper tags still have a living median conversation.
Reviews are not sales. They are the public talk pile marketers keep chasing. Use that as a crowdedness signal, not a quality score.
1. Oversupply: supply vs attention
Pick a fixed set of major Steam tags on dated type=game rows. For each tag, compare its share of that set's games to its share of that set's Steam review mass. Call the ratio oversupply. Above 1.0 means more catalog than conversation. Below 1.0 means attention punches above how many titles sit there.
Notable: Casual leads at 3.58. Co-op sits at 0.26. The dashed line is parity, not "good" or "bad" quality.
Notable: Early Access (+81%) and Simulation (+76%) are the hottest big buckets. Casual still added about 20k titles in the latest window. The haystack is not shrinking.
Casual is the clearest landfill: about 56k dated games, median 7 reviews, oversupply about 3.6× in this set. Indie and Sports sit overserved too. Co-op and Multi-player sit on the other end: fewer titles relative to the review mass they hold. Action looks "balanced" on this index only because a thin slice of hits owns most of its reviews.
2. The coarse-tag soup
Oversupply is worse when tags stack. The matrix below is dated type=game co-occurrence for eight storefront tags. Diagonal tint follows that tag's oversupply. Other cells are both tags on the same game. Adv = Adventure, Sim = Simulation, Strat = Strategy.
| Casual | Indie | Action | Adv | Sim | Strat | RPG | Co-op | |
|---|---|---|---|---|---|---|---|---|
| Casual | 56k | 43k | 17k | 19k | 14k | 12k | 8k | 5k |
| Indie | 43k | 89k | 38k | 37k | 19k | 18k | 17k | 9k |
| Action | 17k | 38k | 50k | 23k | 7k | 7k | 9k | 8k |
| Adv | 19k | 37k | 23k | 49k | 9k | 7k | 13k | 5k |
| Sim | 14k | 19k | 7k | 9k | 27k | 8k | 5k | 2k |
| Strat | 12k | 18k | 7k | 7k | 8k | 25k | 6k | 3k |
| RPG | 8k | 17k | 9k | 13k | 5k | 6k | 23k | 2k |
| Co-op | 5k | 9k | 8k | 5k | 2k | 3k | 2k | 12k |
Notable: Casual ∩ Indie ~43k. Action ∩ Adventure ~23k. Co-op intersections stay much smaller while Co-op's oversupply stays low.
Casual ∩ Indie alone is about 43k dated games. Action ∩ Adventure is about 23k. Those intersections are mountains, not niches. If your positioning needs three of Casual / Action / Adventure / Indie to explain the game, you still do not have a lane.
4. A second taxonomy: IGDB
IGDB categories are a coarser, curator-shaped map. Rank them by attention per unit of supply (review mass share divided by game share inside a fixed compare set). Open world, Warfare, Tactical, Sandbox, Stealth, and Survival still concentrate talk. Erotic, Visual Novel, Sport, and broad Indie sit thin.
Notable: Open world leads near 8.7×. Erotic sits near 0.09×. Same catalog, different taxonomy, same lesson: broad buckets oversupply.
Use IGDB as a second check, not a second haystack. If Steam says Casual and IGDB says Open world or Stealth, believe the sharper lane. If both say Indie / Sport / Visual Novel without a feel claim, expect a hard fight for attention.
Want to see how a sharp lane still surfaces? Search by feel or similarity, or hit I'm Feeling Weird. Free, no pay-to-rank.
Refine your query above, or try something unexpected.
5. A short positioning checklist
None of this replaces your Discord, trailers, or patch cadence. It is a tag-lane checklist that matches the charts.
- Write your Steam tags, then delete Indie, Casual, Action, and Adventure from the pitch sentence. If nothing is left, you do not have a lane yet.
- Prefer one feel tag players already search (base building, metroidvania, colony sim, soulslike) over three coarse genres.
- Check oversupply before you copy a "hot" genre. Simulation and Early Access are growing fast and still crowded.
- Cross-check IGDB: Open world / Stealth / Survival / Tactical punch above supply; broad Indie / Sport / VN need a sharper claim.
- Market the neighborhood after launch. Similarity shelves and "games like" threads only help if people can name what you are.
- Treat tags as crowdedness data, not as SEO magic. Storefront filters will not save a haystack launch.
Launch week will stay loud. The quieter move is picking a lane that still has a median conversation, then compounding there. If your page needs four mega-tags to explain the game, the catalog already explained why discovery feels impossible.
Methodology
Snapshot date: 2026-08-08, Neon catalog. Population for Steam charts: games with type=game and a non-null release_date on or before the snapshot day. Review counts read from game_social_signals (source=steam_reviews) raw_data.querySummary.totalReviews. Oversupply uses a fixed compare set of major Steam tags and divides each tag's share of games in that set by its share of review mass in that set. Growth compares dated releases in the last 24 months vs the prior 24 months for titles carrying each tag. The matrix is pairwise co-occurrence on dated games; diagonal tint uses that tag's oversupply. Feel-tag medians use lowercase community tag names as stored. Tag long-tail counts distinct tags linked to dated games. IGDB attention uses categories on the same dated population inside a fixed compare set (attention share / game share). Reviews are not sales. Tags overlap, so shares do not sum to 100% of the catalog.