When comparing Oracle VirtualBox vs VMWare player, the Slant community recommends VMWare player for most people. In the question“What are the best tools for running Windows games on Linux?” VMWare player is ranked 5th while Oracle VirtualBox is ranked 6th.
Ranked in these QuestionsQuestion Ranking
Pro Works with Vagrant
Works with Vagrant, an awesome tool for managing and deploying virtual machine images.
Pro Free, mostly open source and cross-platform
VirtualBox is available for free with source code available here. A "VirtualBox Extension Pack" that includes virtual USB 2.0, VirtualBox RDP & PXE boot support is available only under a commercial license. VirtualBox is available on Windows, Linux, OSX and Solaris.
Pro Can do snapshots
VirtualBox is capable of taking whole-system snapshots and writing them to a backing file.
Pro Works well and fast with Windows host and Linux guest
Pro 3D graphic support
Not sure about games but WebGL works ok.
Pro Microsoft VM support
Also supports Microsoft Virtual Server virtual machines or Microsoft Virtual PC virtual machines.
Pro User friendly
Somewhat more user friendly than VirtualBox.
Con Inferior performance
Apart from second-class performance in virtualization, there are some visual glitches with Windows 8.1 on Mavericks.
Con Confusing interface and lacking usability features
VirtualBox might be a bit confusing for beginners - it requires an understanding of a lot more technical details than other VMs.
Con Not open source
Which means having to install their intrusive tools manually on guest linux vms.