What are the system requirements for My Big Sister?

Minimum: graphics 64MB RAM, processor Intel® Pentium® 4 2.0 GHz equivalent or faster processor, RAM 50 MB RAM.

Can I run My Big Sister on the Steam Deck?

My Big Sister is rated Playable on Steam Deck by Valve. On Linux and SteamOS, ProtonDB users rate it gold. Pick the Steam Deck profile above, or see the Steam Deck page, for an estimated Deck frame rate.

Can I run My Big Sister?

My Big Sister needs at least 64MB RAM. Below: estimated FPS for popular graphics cards and a free check for your own PC.

ReleaseNov 9, 2018
Steam user reviews94 % positive
Steam DeckPlayable
ProtonDBgold

Check your whole Steam library Build a PC for My Big Sister Steam store page ↗

Will it run on my PC?

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My Big Sister system requirements

	Minimum	Recommended
OS	Windows XP	–
Processor	Intel® Pentium® 4 2.0 GHz equivalent or faster processor	estimated ≈ Pentium 4 class (from the minimum specs)
Graphics	64MB RAM	estimated ≈ GTX 650 class (typical for a 2018 game)
Memory	50 MB RAM	estimated 1 GB (from the minimum specs)
Storage	200 MB available space	–

Estimated FPS in My Big Sister

High settings, no upscaling, with a fast processor (Ryzen 7 7800X3D). Estimates from the game's requirements, not benchmarks.

Not yet checked against benchmarks, a rough estimate that can be off by 25 % or more.

Graphics card	1080p	1440p	4K
GTX 1060 6GB	500+	500+	471
GTX 1660 Super	500+	500+	500+
RTX 2060	500+	500+	500+
RTX 3060	500+	500+	500+
RTX 4060	500+	500+	500+
RTX 4060 Ti 8GB	500+	500+	500+
RTX 4060 Ti 16GB	500+	500+	500+
RTX 5060	500+	500+	500+
RTX 5060 Ti 8GB	500+	500+	500+
RTX 5060 Ti 16GB	500+	500+	500+
RX 9060 XT	500+	500+	500+
RTX 3070	500+	500+	500+
RTX 4070	500+	500+	500+
RTX 5070	500+	500+	500+
RX 7800 XT	500+	500+	500+
RX 9070 XT	500+	500+	500+
RTX 5070 Ti	500+	500+	500+
RTX 4080	500+	500+	500+
RTX 5080	500+	500+	500+
RTX 4090	500+	500+	500+
RTX 5090	500+	500+	500+

Steam Deck, Valve rating: Playable

How we estimate FPS →

Which graphics card do I need for My Big Sister?

The cheapest current graphics card that reaches each goal, paired with a fast processor.

1080p High · 60 FPSIntel Arc B580 12 GB ~500 FPSView on Amazon ↗
1440p High · 60 FPSIntel Arc B580 12 GB ~500 FPSView on Amazon ↗
1440p High · 144 FPSIntel Arc B580 12 GB ~500 FPSView on Amazon ↗
4K High · 60 FPSIntel Arc B580 12 GB ~500 FPSView on Amazon ↗

Prices change often, check the current price in the store. Price check: 10/7/2026.

Best graphics card for My Big Sister, every GPU ranked →

Optimize and fix performance

Deeper guides and known fixes for My Big Sister, straight from the communities and databases PC players trust. We link out, so every tip comes from the real source.

Frequently asked questions

Can I run My Big Sister?: My Big Sister needs at least 64MB RAM. Enter your graphics card and processor above to see your estimated FPS, or check your whole Steam library at once.
What are the system requirements for My Big Sister?: Minimum: graphics 64MB RAM, processor Intel® Pentium® 4 2.0 GHz equivalent or faster processor, RAM 50 MB RAM.
Can I run My Big Sister on the Steam Deck?: My Big Sister is rated Playable on Steam Deck by Valve. On Linux and SteamOS, ProtonDB users rate it gold. Pick the Steam Deck profile above, or see the Steam Deck page, for an estimated Deck frame rate.