In order to assist Greenheart in fixing bugs and fighting lag, please copy the following and paste it into a reply, with your details:
**Form Factor**: Desktop/Laptop/Tablet<br>
**CPU**: Model/Cores/Speed<br>
**RAM**: Size/Speed<br>
**GPU**: Model/VRAM<br>
**OS**: Family/Version/Flavour<br>
**Other Notes**: Anything you care to add.Form Factor: Desktop (custom build)
CPU: AMD Phenom II X6 / 6 Cores / 3.0GHz
RAM: 16GB DDR3
GPU: nVidia GeForce 8800 GTS 512 (512MB VRAM)
OS: Windows 8 Pro + Media Centre / Gentoo Linux (3.6 Kernel)
Other Notes: Purchased both ModernUI version and Desktop version.
Form Factor: Laptop (Acer Aspire 5022wmli)
CPU: AMD Turion ML-30 / 1 Core / 2.0GHz
RAM: 1GB DDR1
GPU: ATi Radeon X700
OS: Gentoo Linux (3.6 Kernel)
Other Notes: Have not yet tested the game on this machine.
Form Factor: Laptop (MacBook Pro Late 2009)
CPU: Intel Core 2 Duo / 2 core /2.53GHz
RAM: 8GB DDR3
GPU: NVIDIA GeForce 9400M 256 MB
OS: OS X 10.8.3
Form Factor: Desktop
CPU: Intel Core 2 Quad, 2.66GHz
RAM: 5GB Ram Kingston
GPU: Nvidia Geforce GTX 275
OS: Windows 7 Pro X64
Other Notes: Gigabyte Mobo EP45-UD3P
Game Dev Tycoon: Runs smooth at least up to first office. I have not managed to get to mid or late game yet but I can run games like skyrim pretty smooth so I don’t expect any problems.
Form Factor: Laptop
CPU: AMD A6-4400M APU
RAM: 8GB DDR3
GPU: AMD HD 7520G
OS: Microsoft Windows 7 SP1 64bit
Other Notes: Doesn’t run smooth in mid- and lategame.
Form Factor: Desktop
CPU: Intel i5-2320 quad core @ 3.00Hgz
RAM: 6GB DDR3
GPU: Nvidia Gforce GT530 (1gb) (using Official Nvidia Drivers)
OS: Funtoo Linux (3.9 Kernel)
Other Notes: So far so good. Only got to second office about 10 years in.
Form Factor: Laptop
CPU: AMD A6-3410MX APU with Radeon™ HD Graphics
RAM: 6.00 GB
GPU:AMD Radeon™ HD 6520G
OS: windows 7 home premium 64 bit
Other Notes: I am one of the people with the white screen bug
Form Factor: Desktop
CPU: i5-760/4/2.8Ghz
RAM: 8Gb/1600MHz
GPU: GTX 560 Ti/1Gb
OS: Windows 7 64 bits
Other Notes: Epic freezes and fps drop in the last office. Especially when I try to go in the R&D/Hardware labs.
Form Factor: Desktop
CPU: Intel Core (Not sure which one) / 2 / 2.667
RAM: 8gb / 1600MHz
GPU: ATI* Radeon HD 4800 Series/ 1GB
OS: Windows / 7 / 64 Bit
Other Notes: BIG FPS drop after getting research and hardware lab. Windowed mode (Almost) fixes it.
EDIT: I’m using ATI not AMD 
sorry 'bout that.
Form Factor: Laptop (Late 2008 aluminum Macbook)
CPU: Intel Core 2 Duo 2,4GHz
RAM: 8GB DDR3
GPU: NVIDIA GeForce 9400M 256mb
OS: Mac OS X Lion 10.7.5
Other Notes: Quite a lot of lag when bubbles are on screen + Freezing when game finishes
Form Factor: Desktop
CPU: AMD Athlon II X4 640 / 4 / 3Ghz
RAM: 4GB
GPU: AMD Radeon HD 6850 / 1024MB
OS: Windows 7 x64
Other Notes: Everything works fine.
Form Factor: Desktop
CPU: FX-8150
RAM:16gb 1866mhz
GPU: GTX 560 Ti 2GB
OS: Windows 7 Ultimate 64 bits
Other Notes: Game lags like hell when devlop game do research and also research conventions or ad research all in same time also pointing to fact i wanted to devlop all game topics as mmo i only developed 4-5 and game lags really bad game even hang for few seconds or stops to respond then it resumes back with really low fps and it reflects bad performance in all way 
.
also before forgot when train all workers and do both research game acts same way hangs or lags or has huge fps hit.
Form Factor: Desktop ATX (homebrew)
CPU: AMD dual core 2x2.6GHz
RAM: 4GB DDR-800
GPU: NVidia GTX 450 / 1GB
OS: Win 7 pro x64 sp1
Other Notes: haven’t seen any serious issues yet…except when u get too creative editing savegames.
only noticed serious lag while setting dF/tF etc > 10…nothing u might encounter during normal gameplay
Form Factor: Laptop(Dell Inspirion N411Z)
CPU: Intel Core i5 2430M @2.40 Ghz
RAM: 8:00 GB
GPU: Intel HD Graphics 3000
OS: Windows 8 64-bit
Other Notes: Game is super laggy and frames drop when your developing a game or a MMO when you have the r & d lab and hardware lab boxes on the screen. Bubbles freeze up/appear super slowly. I have the regular downloadable version not the Windows Store version.
Form Factor: Desktop
CPU: Intel i7-3930, 6 cores @ 3.20 GHz
RAM: 32 GB @ 1600 mhz
GPU: GTX 680 w/ 4Gb Vram
OS: Win 7 Pro x64 bit
Other Notes: Major FPS drops when characters have very high attributes.
Form Factor: Desktop (custom build)
CPU: intel i7-3770 / 4 Cores / 3.40GHz
RAM: 8GB DDR3
GPU: Asus nVidia GeForce GTX670 / 4GB
OS: Windows 8 Pro 64bits
Other Notes: Start software with white screen during around 10 secondes. No issue during the game.
No work with multi screen.
Form Factor: Custom Desktop
CPU: Intel i5-3450 Ivy Bridge Processor 3.10GHz
RAM: Corsair Vengeance 16GB 1600MHz DDR3
GPU: EVGA GTX 660 2GB
OS: Windows 7 Ultimate x64
Other Notes: ASUS Sabertooth Z77 motherboard
Form Factor: Custom-Built Desktop
CPU: AMD Athlon X2 255 / 2 Cores / 3.1GHz
RAM: 4GB DDR3
GPU: ATI Radeon HD 5450 (1GB/ Feels like 128MB -.-)
OS: Windows 7 Ultimate 32-bits
Other Notes: Late game lag.
Form Factor: Laptop (Compal PBL21)
CPU: Intel Quad Core i7-2670QM / 4 Cores / 2.2GHz
RAM: 8GB DDR3 / 1333MHz
GPU: NVIDIA GT 540M 2GB
OS: Windows 7 Home Premium
Other Notes: in the game, the context menu is very slow to appear when (left)button is clicked