PC requirements

Penny Arcade Adventures: On the Rain-Slick Precipice of Darkness - Episode One System Requirements

Penny Arcade Adventures: On the Rain-Slick Precipice of Darkness - Episode One needs at least Pentium® III, AMD Athlon™ 1.0 GHz or better, 512 MB of available system memory of RAM and ATI Radeon™ 9500 or better, NVIDIA GeForce™ FX 5200 or better, Intel® GMA 950 or better with 64 MB of video memory (shared or dedicated)* graphics. For the recommended experience you want Pentium® IV, AMD Athlon™ 1.5 GHz or better, 768 MB of available system memory of RAM and ATI Radeon™ or better, NVIDIA GeForce™ or better video card with 128 MB of video memory* graphics.

Verified Sources: Steam store listing
Penny Arcade Adventures: On the Rain-Slick Precipice of Darkness - Episode One minimum and recommended PC specifications
Component Minimum Recommended
Operating system Windows® 2000/XP/Vista™ with latest updates —
Processor Pentium® III, AMD Athlon™ 1.0 GHz or better Pentium® IV, AMD Athlon™ 1.5 GHz or better
Memory 512 MB of available system memory 768 MB of available system memory
Graphics ATI Radeon™ 9500 or better, NVIDIA GeForce™ FX 5200 or better, Intel® GMA 950 or better with 64 MB of video memory (shared or dedicated)* ATI Radeon™ or better, NVIDIA GeForce™ or better video card with 128 MB of video memory*
Storage 350 MB of available hard drive space (185 MB installed) —
Not sure how your PC compares? Use the Can I Run It checker — pick your CPU and GPU and it tells you which column you land in.

Other platforms

Penny Arcade Adventures: On the Rain-Slick Precipice of Darkness - Episode One is also available on these systems, where hardware is fixed and no per-PC check is needed:

PlayStation 3 Xbox 360 Linux Mac PC (Microsoft Windows)

Quick answers

Running Penny Arcade Adventures: On the Rain-Slick Precipice of Darkness - Episode One on PC

Can my PC run Penny Arcade Adventures: On the Rain-Slick Precipice of Darkness - Episode One?
Compare your CPU, GPU and RAM against the minimum column below. If your parts match or beat every minimum row, the game will launch — though you may need to lower settings. Matching the recommended column is what gets you 60fps at 1080p.
How much storage does Penny Arcade Adventures: On the Rain-Slick Precipice of Darkness - Episode One need?
350 MB of available hard drive space (185 MB installed)
What is the difference between minimum and recommended specs?
Minimum means the game starts and is playable, usually at 30fps on low settings at 1080p. Recommended is the developer's target for a smooth 60fps experience at high settings.