CSBlueGem is best for case hardened blue gem hunting. Free to use.
CSBlueGem is the deepest single-source database for Case Hardened patterns — every weapon's blue gem rankings, tier 1 / tier 2 lists, named patterns ("Scar Pattern", etc.), and live listings filtered by seed. The community treats it as the authoritative source for high-stakes blue gem trades.
Limited to Case Hardened. Doesn't cover Crimson Web, Marble Fade, Doppler, or other pattern families.
Pros
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Direct comparisons with the closest alternatives.
Pick another tool — we'll route you to the head-to-head if we have one, or open the other review.
We don’t have a direct head-to-head for CSBlueGem × Buff163 yet — read both reviews and request the matchup.
Other entries in CSBlueGem’s categories — quick way to sanity-check the pick.
free · Pattern Databases
CSBlueGem