The Hackmaster game has the best Gamemaster's Shield ever. This 32-panel cardboard shield is a great aid to the Hackmaster GM in all aspects of gameplay. The screen is four panels wide, but using internal folding pages attached by a staple and folding pages for the main four pages, 32 pages fit into this screen of dooom!
Panels of artwork: there are three artwork panels, well illustrated (probably by the Fraims, the house artists for Hackmaster), which depict the combat you expect in Hackmaster. One panel, the main panel on which the words "Gamemaster's Shield" are written, focuses on a human fighter with a longsword and a comely auburn-haired women. In the background are a castle being raiding by a man on horseback and a bunch of lizardmen. When you flip the screen into combat mode, the other two art panels reveal a battle scene to the players. Now the lizardmen are slaughtering castle defenders, the horseman has been killed and is falling off his horse, a big raid dragon is breathing fiery death upon the castle, and in a close-up shot, the fighter is skewered by a drooling lizardmen wielding a spear. The deep entry wound from the spear spurts blood on the woman who looks shocked. Amazing work by the Fraims.
The rest of the screen is text, which might not be that interesting to look at, but really helps the GM. Each section of text has a color-coded border to make finding it easy.
The red section, combat, has to-hit tables, rules on to-hit modifiers, initiative rules, saving throws for characters and items, and the critical hit tables. This takes six full panels, the main four across and two seperate panels. Using it rapidly speeds up combat, since the only combat table not included is undead turning and rebuking; with this table you can quickly figure out what happened on a critical hit or fumble and keep the PCs guessing as to what they need to hit a certain monster.
The brown section, general in-game, has armor, weapon, provisions, tools, transportation, cleric atonement, divine beseechment, encumberance, skill check modifiers, the Hackmaster Smartass Smackdown Table, and the PIZZA MATRIX. Since the Hackmaster Gamemasters Shield is constructed in a manner permitting you to use dry erase markers on it without ruining the screen, every game you can write your pizza choices or other important information down as notes on the screen.
The blue section, City/Town NPCs, takes up four of the staple-folded pages. It has the Hackmaster tables for alcohol potency and drinking, the random tavern and bartender generators, and a number of other tables useful for NPC interactions.
The yellow section, post game, means the GM doesn't need all those Hacklopedias to calculate EPs. This six page section has one page of tracking character EPs, a large alignment graph so the PCs alignment can be tracked to follow the alignment infraction rules, two pages of listing of monster EPs (so unless it is variable EP critter, you got it right there), and two pages for Honor calculations.
The wilderness section is a light green in color and its two pages discuss starvation and dehydration, movement in wilderness, outdoors pursuit, frequency of encounter checks, and population of regions.
The dungeon section, in purple, has six panels. It has both the treasure types and all the random dungeon tables a GM needs, including tables on mood enchancers and torture chamber furnishings. From this set of tables, you could roll up a great dungeon.
Except for missing the Undead Turning table, the Hackmaster Gamemasters Shield is the best GM screen ever.
As for dry-erase markers, they will not review the screen if left on for a few days. So if you play a game on the weekend and don't clean the screen till Monday, you're fine. There are many spots with numbers provided so you can keep track of important things using your dry-erase markers. At www.kenzerco.com you can also download skulls to show how many PCs you have killed.
Kenzer and Company allegedly based its Kingdoms of Kalamar screen design on this screen, so even if you're not a Hackmaster GM, take a look at a piece of gaming history and buy the Kalamar version for your 3e game.