Steam Marketplace · Interactive Data Story

50,000+ games. What does the data
actually reveal about how we play?

Six interactive visualisations built from real Steam data — each one answers a question you didn't know you had.

3,139 Games tracked
6 Visualisations
13mo of data
Explore
The stories

Each chapter is a different lens on the same marketplace. Click any card to go deeper.

ON VN MN MIX VP OP improving worsening
01 — Arc Graph

Do gamers ever truly change their minds?

Tracks how the review sentiment of 3,139 top-reviewed games has shifted — and how often that shift is a slide downward.

M1 M4 M7 M10 M13 Long tail Flash-in-the-pan
02 — CCU Graph

Which games keep players coming back — and which vanish overnight?

Concurrent player curves over 13 months, revealing which titles build lasting communities versus one-week wonders.

GENRE METRIC PLAYER BEST OF BEST
03 — Dial Graph

What is the absolute best game — by any measure you choose?

Spin four concentric rings — Genre, Metric, Player type, Platform — and find the cream of the crop for your exact filters.

SEGA 65 games 2K 38 games Ubisoft 31 games Valve 28 games Innersloth 4 games +3900 others publishers
04 — Treemap

Who really controls the Steam marketplace?

A nested map of publishers and their developers — see who dominates by volume, and how much territory the giants actually hold.

2018 2019 2020
05 — Spiral Graph

How has game release volume evolved — year by year, genre by genre?

A time spiral that winds each year outward, revealing waves of releases, seasonal patterns, and the long arc of Steam's growth.

RATING SALES PLAYERS RETENTION REVIEWS HOURS Game A Game B
06 — Radar Chart

Is a game with 10 million players truly better than one with 100,000?

Compare any two games across six dimensions simultaneously — rating, sales, players, retention, reviews, and hours played.

Data provenance

All visualisations draw from three complementary sources, collected and cross-referenced in April 2026.

Steam Store API

Game metadata, review scores, and ownership estimates pulled directly from Valve's public endpoints. Covers titles with at least 10 user reviews.

~50,000 titles
SteamSpy

Estimated player counts, CCU history, and genre tagging sourced from SteamSpy's community-maintained dataset. Used for retention curves.

13 months · Apr 2025 – Apr 2026
Kaggle Dataset

Supplemental publisher / developer relationship data and historical pricing from a curated Kaggle export. Cross-validated against live API responses.

Snapshot: Apr 2026