Valve
| Item | Date | Publisher | Price | Role |
|---|---|---|---|---|
| Valve Presents The Sacrifice & Other Steam-Powered Stories | Jan. 16, 2019 | Dark Horse Comics | $24.99 | Writer |
| Valve Presents The Sacrifice & Other Steam-Powered Stories | Nov. 16, 2011 | Dark Horse Comics | $24.99 | Writer |
| Item | Date | Publisher | Price | Role |
|---|---|---|---|---|
| Valve Presents The Sacrifice & Other Steam-Powered Stories | Jan. 16, 2019 | Dark Horse Comics | $24.99 | Writer |
| Valve Presents The Sacrifice & Other Steam-Powered Stories | Nov. 16, 2011 | Dark Horse Comics | $24.99 | Writer |