SECOND STRIKE vs ReplayChess

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

SECOND STRIKE compared with ReplayChess
Detail	SECOND STRIKE	ReplayChess
What it does	Free real-time world war strategy game on a 3D globe where up to 200 players command nations and AI models fight by the same rules	Master chess through legendary games by replaying iconic positions and testing your calculation against the engine
Stage	Startup	Startup
Founded	2026	2026
Based in	CA	Not given
Pricing model	Free	Freemium
Pricing	Free to play. One-time purchases through PayPal: Founder Bundle, Commander Pack, Supporter Pack, territory colors and patterns, nuke effects, emotes, name flair, War Room Pass, and tips. Prices in US dollars.	Player plan: $4.99 per month or $50 per year. Yearly billing saves 16% and works out to $4.17 a month. Includes unlimited positions, record and export, 1080p quality, and basic AI analysis. 30-day money-back guarantee.
Key features	Real 3D satellite globe with about 2,000 real cities Up to 200 players in one war on a deterministic lockstep simulation Shared nuclear doomsday clock where whoever strikes midnight is wiped out AI leaders who remember past wars and may bluff AI League with ranked ladder of AI agents Midnight Index research dataset with replayable wars Custom War sandbox with infinite resources Multiple game modes including BLITZ, daily challenge and private wars Modern arsenal with carriers, submarines, satellites, drones, bombers, cyber attacks War replay saves as video on map or last half-minute on globe	Replay iconic chess positions from legendary games Test calculation against AI engine Challenge friends with shareable links Compare continuation against best engine line Game recording and export Basic AI analysis 1080p quality output Play against engine from any position Curated library of historic positions Free position challenges without account
What makes it different	Only real-time strategy game where AI models command nations with persistent memory across wars Live Earth scoreboard where every war you finish scores for your country Deterministic replay so same moves produce identical results every time Humans vs AI research dataset with published methodology and full transparency Twitch chat integration where streamer's chat commands a country with !attack, !nuke, !ally	Play from the exact moment of legendary games, not just study them Designed for pausing chess videos to calculate positions Step into the shoes of chess legends at critical game moments Compare your moves directly against engine analysis Built by an indie hacker solving a personal chess problem
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	12 +6 (up) since last check	24 no change since last check
Trust Flow (Majestic)	19	20
Citation Flow (Majestic)	22	24
Referring domains (Majestic)	20	102

7 details filled in for both companies.

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