Space is not silent.
It's a constant, metallic hum, as if the universe is counting your mistakes. In 20 Strong: Solar Sentinels, you have no crew, no reinforcements: just 20 dice and a deck of cards ready to destroy you.
Every card is a threat: cosmic creatures, unpredictable anomalies, zones of unstable gravity. Each requires precise successes, surgical calculation, and the ability to take risks without breaking. Managing the dice isn't a detail: it's oxygen, energy, shielding, the future.
Spend too many, and the recovery becomes insufficient. Spend too few, and the deck devours you. Solar Sentinels is a tightrope walk, an unforgiving press-your-luck.
Reaching the final boss means surviving the void, but the final showdown is cruel: absolute concentration, zero margins. When you win, it's because you've mastered the system , not because the game told you yes.
In deep space, the only voice is the clang of your dice.
Dice, threats and risk management in a pure solitaire
20 Strong: Solar Sentinels is a solitaire board game based on optimal management of a 20-dice pool, to be used against increasingly difficult obstacles. The deck features unique threats, final bosses, and variable situations that require constant tactical choices between spending, conserving, and strategic rerolls.
Perfect for those looking for a tense, compact, replayable solitaire game with a strong sci-fi identity .



