Here you can find some computerized research paradigms on different types of social dilemmas (e.g., prisoner’s dilemmas, public good dilemmas).
Public good game on the internet:
For video explanation, see here
For playing, see here
On the website of the software platform oTree, you can find several examples of social dilemma paradigms (e.g., public good dilemmas, volunteer’s dilemma, prisoner’s dilemma).
On the subpage Instruments you can also find some non-computerized materials that are often used in social dilemma research (e.g. for the assessment of Social Value Orientations, Concern of Future Consequences).